Fix a few more warnings in chromium_code mode.

No intended behavior change.

- Remove more unused variables, functions, member variables.
- Put a few constructor initializers in the order they execute in.
- Add braces for subobject initializers.
- Fix a handful of signed / unsigned comparisons.

BUG=pdfium:29
R=bo_xu@foxitsoftware.com

Review URL: https://codereview.chromium.org/429593005

2 files changed, 1 insertions, 2 deletions

diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp
index 9dddd86c1a..3dc0e551b4 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_encrypt.cpp
@@ -106,7 +106,6 @@ FX_DWORD CPDF_StandardSecurityHandler::GetPermissions()
 static FX_BOOL _LoadCryptInfo(CPDF_Dictionary* pEncryptDict, FX_BSTR name, int& cipher, int& keylen)
 {
     int Version = pEncryptDict->GetInteger(FX_BSTRC("V"));
-    int Revision = pEncryptDict->GetInteger(FX_BSTRC("R"));
     cipher = FXCIPHER_RC4;
     keylen = 0;
     if (Version >= 4) {
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 26877ec418..11370075d6 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -1269,7 +1269,7 @@ void CPDF_Parser::GetIndirectBinary(FX_DWORD objnum, FX_LPBYTE& pBuffer, FX_DWOR
                 if (n == 1) {
                     size = totalsize - (thisoff + offset);
                 } else {
-                    FX_DWORD nextnum = syntax.GetDirectNum();
+                    syntax.GetDirectNum();  // Skip nextnum.
                     FX_DWORD nextoff = syntax.GetDirectNum();
                     size = nextoff - thisoff;
                 }