XFA: merge patch from issue 801913002 and 804463003

Simplify PDFium by removing code that's not used in the open source repo.

-remove parameter from FPDF_InitLibrary
-remove a bunch of ifdefs that are unused

Fix build after previous commit.

TBR=tsepez@chromium.org
BUG=

Review URL: https://codereview.chromium.org/809513002

6 files changed, 0 insertions, 140 deletions

diff --git a/third_party/bigint/BigInteger.cc b/third_party/bigint/BigInteger.cc
index bac578f974..93b57e4255 100644
--- a/third_party/bigint/BigInteger.cc
+++ b/third_party/bigint/BigInteger.cc
@@ -20,11 +20,7 @@ BigInteger::BigInteger(const Blk *b, Index blen, Sign s) : mag(b, blen) {
 	switch (s) {
 	case zero:
 		if (!mag.isZero())
-#ifdef FOXIT_CHROME_BUILD
             abort();
-#else
-			throw "BigInteger::BigInteger(const Blk *, Index, Sign): Cannot use a sign of zero with a nonzero magnitude";
-#endif
 		sign = zero;
 		break;
 	case positive:
@@ -35,11 +31,7 @@ BigInteger::BigInteger(const Blk *b, Index blen, Sign s) : mag(b, blen) {
 	default:
 		/* g++ seems to be optimizing out this case on the assumption
 		 * that the sign is a valid member of the enumeration.  Oh well. */
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigInteger::BigInteger(const Blk *, Index, Sign): Invalid sign";
-#endif
 	}
 }
 
@@ -47,11 +39,7 @@ BigInteger::BigInteger(const BigUnsigned &x, Sign s) : mag(x) {
 	switch (s) {
 	case zero:
 		if (!mag.isZero())
-#ifdef FOXIT_CHROME_BUILD
             abort();
-#else
-			throw "BigInteger::BigInteger(const BigUnsigned &, Sign): Cannot use a sign of zero with a nonzero magnitude";
-#endif
 		sign = zero;
 		break;
 	case positive:
@@ -62,11 +50,7 @@ BigInteger::BigInteger(const BigUnsigned &x, Sign s) : mag(x) {
 	default:
 		/* g++ seems to be optimizing out this case on the assumption
 		 * that the sign is a valid member of the enumeration.  Oh well. */
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigInteger::BigInteger(const BigUnsigned &, Sign): Invalid sign";
-#endif
 	}
 }
 
@@ -114,12 +98,7 @@ inline X convertBigUnsignedToPrimitiveAccess(const BigUnsigned &a) {
 template <class X>
 X BigInteger::convertToUnsignedPrimitive() const {
 	if (sign == negative)
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigInteger::to<Primitive>: "
-			"Cannot convert a negative integer to an unsigned type";
-#endif
 	else
 		return convertBigUnsignedToPrimitiveAccess<X>(mag);
 }
@@ -146,12 +125,7 @@ X BigInteger::convertToSignedPrimitive() const {
 		}
 		// Otherwise fall through.
 	}
-#ifdef FOXIT_CHROME_BUILD
     abort();
-#else
-	throw "BigInteger::to<Primitive>: "
-		"Value is too big to fit in the requested type";
-#endif
 }
 
 unsigned long  BigInteger::toUnsignedLong () const { return convertToUnsignedPrimitive<unsigned long >       (); }
@@ -179,11 +153,7 @@ BigInteger::CmpRes BigInteger::compareTo(const BigInteger &x) const {
 		// Compare the magnitudes, but return the opposite result
 		return CmpRes(-mag.compareTo(x.mag));
 	default:
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigInteger internal error";
-#endif
 	}
 }
 
@@ -315,11 +285,7 @@ void BigInteger::divideWithRemainder(const BigInteger &b, BigInteger &q) {
 	// Defend against aliased calls;
 	// same idea as in BigUnsigned::divideWithRemainder .
 	if (this == &q)
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigInteger::divideWithRemainder: Cannot write quotient and remainder into the same variable";
-#endif
 	if (this == &b || &q == &b) {
 		BigInteger tmpB(b);
 		divideWithRemainder(tmpB, q);
diff --git a/third_party/bigint/BigInteger.hh b/third_party/bigint/BigInteger.hh
index a239d3c954..320a22f7b7 100644
--- a/third_party/bigint/BigInteger.hh
+++ b/third_party/bigint/BigInteger.hh
@@ -164,11 +164,7 @@ inline BigInteger BigInteger::operator *(const BigInteger &x) const {
 }
 inline BigInteger BigInteger::operator /(const BigInteger &x) const {
 	if (x.isZero())
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-        throw "BigInteger::operator /: division by zero";
-#endif
 	BigInteger q, r;
 	r = *this;
 	r.divideWithRemainder(x, q);
@@ -176,11 +172,7 @@ inline BigInteger BigInteger::operator /(const BigInteger &x) const {
 }
 inline BigInteger BigInteger::operator %(const BigInteger &x) const {
 	if (x.isZero())
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-        throw "BigInteger::operator %: division by zero";
-#endif
 	BigInteger q, r;
 	r = *this;
 	r.divideWithRemainder(x, q);
@@ -210,11 +202,7 @@ inline void BigInteger::operator *=(const BigInteger &x) {
 }
 inline void BigInteger::operator /=(const BigInteger &x) {
 	if (x.isZero())
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-        throw "BigInteger::operator /=: division by zero";
-#endif
 	/* The following technique is slightly faster than copying *this first
 	 * when x is large. */
 	BigInteger q;
@@ -224,11 +212,7 @@ inline void BigInteger::operator /=(const BigInteger &x) {
 }
 inline void BigInteger::operator %=(const BigInteger &x) {
 	if (x.isZero())
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-        throw "BigInteger::operator %=: division by zero";
-#endif
 	BigInteger q;
 	// Mods *this by x.  Don't care about quotient left in q.
 	divideWithRemainder(x, q);
diff --git a/third_party/bigint/BigIntegerUtils.cc b/third_party/bigint/BigIntegerUtils.cc
index fac8ac34b1..2629028355 100644
--- a/third_party/bigint/BigIntegerUtils.cc
+++ b/third_party/bigint/BigIntegerUtils.cc
@@ -42,11 +42,7 @@ std::ostream &operator <<(std::ostream &os, const BigUnsigned &x) {
 		if (osFlags & os.showbase)
 			os << '0';
 	} else
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "std::ostream << BigUnsigned: Could not determine the desired base from output-stream flags";
-#endif
 	std::string s = std::string(BigUnsignedInABase(x, base));
 	os << s;
 	return os;
diff --git a/third_party/bigint/BigUnsigned.cc b/third_party/bigint/BigUnsigned.cc
index 863fadcb39..e38e4aa26d 100644
--- a/third_party/bigint/BigUnsigned.cc
+++ b/third_party/bigint/BigUnsigned.cc
@@ -195,12 +195,7 @@ void BigUnsigned::subtract(const BigUnsigned &a, const BigUnsigned &b) {
 		return;
 	} else if (a.len < b.len)
 		// If a is shorter than b, the result is negative.
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigUnsigned::subtract: "
-			"Negative result in unsigned calculation";
-#endif
 	// Some variables...
 	bool borrowIn, borrowOut;
 	Blk temp;
@@ -233,11 +228,7 @@ void BigUnsigned::subtract(const BigUnsigned &a, const BigUnsigned &b) {
 	 * predictable state. */
 	if (borrowIn) {
 		len = 0;
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigUnsigned::subtract: Negative result in unsigned calculation";
-#endif
 	} else
 		// Copy over the rest of the blocks
 		for (; i < a.len; i++)
@@ -400,11 +391,7 @@ void BigUnsigned::divideWithRemainder(const BigUnsigned &b, BigUnsigned &q) {
 	 * It would be silly to try to write quotient and remainder to the
 	 * same variable.  Rule that out right away. */
 	if (this == &q)
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigUnsigned::divideWithRemainder: Cannot write quotient and remainder into the same variable";
-#endif
 	/* Now *this and q are separate, so the only concern is that b might be
 	 * aliased to one of them.  If so, use a temporary copy of b. */
 	if (this == &b || &q == &b) {
@@ -614,12 +601,7 @@ void BigUnsigned::bitShiftLeft(const BigUnsigned &a, int b) {
 	DTRT_ALIASED(this == &a, bitShiftLeft(a, b));
 	if (b < 0) {
 		if (b << 1 == 0)
-#ifdef FOXIT_CHROME_BUILD
             abort();
-#else
-			throw "BigUnsigned::bitShiftLeft: "
-				"Pathological shift amount not implemented";
-#endif
 		else {
 			bitShiftRight(a, -b);
 			return;
@@ -644,12 +626,7 @@ void BigUnsigned::bitShiftRight(const BigUnsigned &a, int b) {
 	DTRT_ALIASED(this == &a, bitShiftRight(a, b));
 	if (b < 0) {
 		if (b << 1 == 0)
-#ifdef FOXIT_CHROME_BUILD
             abort();
-#else
-			throw "BigUnsigned::bitShiftRight: "
-				"Pathological shift amount not implemented";
-#endif
 		else {
 			bitShiftLeft(a, -b);
 			return;
@@ -705,11 +682,7 @@ void BigUnsigned::operator ++(int) {
 // Prefix decrement
 void BigUnsigned::operator --() {
 	if (len == 0)
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigUnsigned::operator --(): Cannot decrement an unsigned zero";
-#endif
 	Index i;
 	bool borrow = true;
 	for (i = 0; borrow; i++) {
diff --git a/third_party/bigint/BigUnsigned.hh b/third_party/bigint/BigUnsigned.hh
index accd4d6782..de4c18e066 100644
--- a/third_party/bigint/BigUnsigned.hh
+++ b/third_party/bigint/BigUnsigned.hh
@@ -267,11 +267,7 @@ inline BigUnsigned BigUnsigned::operator *(const BigUnsigned &x) const {
 }
 inline BigUnsigned BigUnsigned::operator /(const BigUnsigned &x) const {
 	if (x.isZero())
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-        throw "BigUnsigned::operator /: division by zero";
-#endif
 	BigUnsigned q, r;
 	r = *this;
 	r.divideWithRemainder(x, q);
@@ -279,11 +275,7 @@ inline BigUnsigned BigUnsigned::operator /(const BigUnsigned &x) const {
 }
 inline BigUnsigned BigUnsigned::operator %(const BigUnsigned &x) const {
 	if (x.isZero())
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-        throw "BigUnsigned::operator %: division by zero";
-#endif
 	BigUnsigned q, r;
 	r = *this;
 	r.divideWithRemainder(x, q);
@@ -326,11 +318,7 @@ inline void BigUnsigned::operator *=(const BigUnsigned &x) {
 }
 inline void BigUnsigned::operator /=(const BigUnsigned &x) {
 	if (x.isZero())
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-        throw "BigUnsigned::operator /=: division by zero";
-#endif
 	/* The following technique is slightly faster than copying *this first
 	 * when x is large. */
 	BigUnsigned q;
@@ -340,11 +328,7 @@ inline void BigUnsigned::operator /=(const BigUnsigned &x) {
 }
 inline void BigUnsigned::operator %=(const BigUnsigned &x) {
 	if (x.isZero())
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-        throw "BigUnsigned::operator %=: division by zero";
-#endif
 	BigUnsigned q;
 	// Mods *this by x.  Don't care about quotient left in q.
 	divideWithRemainder(x, q);
@@ -398,12 +382,7 @@ void BigUnsigned::initFromPrimitive(X x) {
 template <class X>
 void BigUnsigned::initFromSignedPrimitive(X x) {
 	if (x < 0)
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigUnsigned constructor: "
-			"Cannot construct a BigUnsigned from a negative number";
-#endif
 	else
 		initFromPrimitive(x);
 }
@@ -427,12 +406,7 @@ X BigUnsigned::convertToPrimitive() const {
 			return x;
 		// Otherwise fall through.
 	}
-#ifdef FOXIT_CHROME_BUILD
     abort();
-#else
-	throw "BigUnsigned::to<Primitive>: "
-		"Value is too big to fit in the requested type";
-#endif
 }
 
 /* Wrap the above in an x >= 0 test to make sure we got a nonnegative result,
@@ -445,12 +419,7 @@ X BigUnsigned::convertToSignedPrimitive() const {
 	if (x >= 0)
 		return x;
 	else
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigUnsigned::to(Primitive): "
-			"Value is too big to fit in the requested type";
-#endif
 }
 
 #endif
diff --git a/third_party/bigint/BigUnsignedInABase.cc b/third_party/bigint/BigUnsignedInABase.cc
index a24042d538..72fe256a5f 100644
--- a/third_party/bigint/BigUnsignedInABase.cc
+++ b/third_party/bigint/BigUnsignedInABase.cc
@@ -10,20 +10,12 @@ BigUnsignedInABase::BigUnsignedInABase(const Digit *d, Index l, Base base)
 	: NumberlikeArray<Digit>(d, l), base(base) {
 	// Check the base
 	if (base < 2)
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigUnsignedInABase::BigUnsignedInABase(const Digit *, Index, Base): The base must be at least 2";
-#endif
 
 	// Validate the digits.
 	for (Index i = 0; i < l; i++)
 		if (blk[i] >= base)
-#ifdef FOXIT_CHROME_BUILD
             abort();
-#else
-			throw "BigUnsignedInABase::BigUnsignedInABase(const Digit *, Index, Base): A digit is too large for the specified base";
-#endif
 
 	// Eliminate any leading zeros we may have been passed.
 	zapLeadingZeros();
@@ -46,11 +38,7 @@ namespace {
 BigUnsignedInABase::BigUnsignedInABase(const BigUnsigned &x, Base base) {
 	// Check the base
 	if (base < 2)
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigUnsignedInABase(BigUnsigned, Base): The base must be at least 2";
-#endif
 	this->base = base;
 
 	// Get an upper bound on how much space we need
@@ -91,11 +79,7 @@ BigUnsignedInABase::operator BigUnsigned() const {
 BigUnsignedInABase::BigUnsignedInABase(const std::string &s, Base base) {
 	// Check the base.
 	if (base > 36)
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigUnsignedInABase(std::string, Base): The default string conversion routines use the symbol set 0-9, A-Z and therefore support only up to base 36.  You tried a conversion with a base over 36; write your own string conversion routine.";
-#endif
 	// Save the base.
 	// This pattern is seldom seen in C++, but the analogous ``this.'' is common in Java.
 	this->base = base;
@@ -116,29 +100,17 @@ BigUnsignedInABase::BigUnsignedInABase(const std::string &s, Base base) {
 		else if (theSymbol >= 'a' && theSymbol <= 'z')
 			blk[digitNum] = theSymbol - 'a' + 10;
 		else
-#ifdef FOXIT_CHROME_BUILD
             abort();
-#else
-			throw "BigUnsignedInABase(std::string, Base): Bad symbol in input.  Only 0-9, A-Z, a-z are accepted.";
-#endif
 
 		if (blk[digitNum] >= base)
-#ifdef FOXIT_CHROME_BUILD
             abort();
-#else
-			throw "BigUnsignedInABase::BigUnsignedInABase(const Digit *, Index, Base): A digit is too large for the specified base";
-#endif
 	}
 	zapLeadingZeros();
 }
 
 BigUnsignedInABase::operator std::string() const {
 	if (base > 36)
-#ifdef FOXIT_CHROME_BUILD
         abort();
-#else
-		throw "BigUnsignedInABase ==> std::string: The default string conversion routines use the symbol set 0-9, A-Z and therefore support only up to base 36.  You tried a conversion with a base over 36; write your own string conversion routine.";
-#endif
 	if (len == 0)
 		return std::string("0");
 	// Some compilers don't have push_back, so use a char * buffer instead.