Remove FX_Alloc() null checks now that it can't return NULL.

This permits some functions to become void's since
they, in turn, can't fail.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1142713005

2 files changed, 33 insertions, 41 deletions

diff --git a/core/src/fpdftext/fpdf_text.cpp b/core/src/fpdftext/fpdf_text.cpp
index a0b01042e1..e58b50d182 100644
--- a/core/src/fpdftext/fpdf_text.cpp
+++ b/core/src/fpdftext/fpdf_text.cpp
@@ -223,44 +223,42 @@ void CTextPage::WriteOutput(CFX_WideStringArray& lines, int iMinWidth)
     }
     if (m_bAutoWidth) {
         int* widths = FX_Alloc(int, m_BaseLines.GetSize());
-        if (widths) {
-            for (i = 0; i < m_BaseLines.GetSize(); i ++) {
-                widths[i] = 0;
-                CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
-                int TotalChars = 0;
-                FX_FLOAT TotalWidth = 0;
-                int minchars;
-                pBaseLine->CountChars(TotalChars, TotalWidth, minchars);
-                if (TotalChars) {
-                    FX_FLOAT charwidth = TotalWidth / TotalChars;
-                    widths[i] = (int)((MaxRightX - MinLeftX) / charwidth);
-                }
-                if (widths[i] > 1000) {
-                    widths[i] = 1000;
-                }
-                if (widths[i] < minchars) {
-                    widths[i] = minchars;
-                }
+        for (i = 0; i < m_BaseLines.GetSize(); i ++) {
+            widths[i] = 0;
+            CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
+            int TotalChars = 0;
+            FX_FLOAT TotalWidth = 0;
+            int minchars;
+            pBaseLine->CountChars(TotalChars, TotalWidth, minchars);
+            if (TotalChars) {
+                FX_FLOAT charwidth = TotalWidth / TotalChars;
+                widths[i] = (int)((MaxRightX - MinLeftX) / charwidth);
             }
-            int AvgWidth = 0, widthcount = 0;
-            for (i = 0; i < m_BaseLines.GetSize(); i ++)
-                if (widths[i]) {
-                    AvgWidth += widths[i];
-                    widthcount ++;
-                }
-            AvgWidth = int((FX_FLOAT)AvgWidth / widthcount + 0.5);
-            int MaxWidth = 0;
-            for (i = 0; i < m_BaseLines.GetSize(); i ++)
-                if (MaxWidth < widths[i]) {
-                    MaxWidth = widths[i];
-                }
-            if (MaxWidth > AvgWidth * 6 / 5) {
-                MaxWidth = AvgWidth * 6 / 5;
+            if (widths[i] > 1000) {
+                widths[i] = 1000;
+            }
+            if (widths[i] < minchars) {
+                widths[i] = minchars;
             }
-            FX_Free(widths);
-            if (iMinWidth < MaxWidth) {
-                iMinWidth = MaxWidth;
+        }
+        int AvgWidth = 0, widthcount = 0;
+        for (i = 0; i < m_BaseLines.GetSize(); i ++)
+            if (widths[i]) {
+                AvgWidth += widths[i];
+                widthcount ++;
             }
+        AvgWidth = int((FX_FLOAT)AvgWidth / widthcount + 0.5);
+        int MaxWidth = 0;
+        for (i = 0; i < m_BaseLines.GetSize(); i ++)
+            if (MaxWidth < widths[i]) {
+                MaxWidth = widths[i];
+            }
+        if (MaxWidth > AvgWidth * 6 / 5) {
+            MaxWidth = AvgWidth * 6 / 5;
+        }
+        FX_Free(widths);
+        if (iMinWidth < MaxWidth) {
+            iMinWidth = MaxWidth;
         }
     }
     for (i = 0; i < m_BaseLines.GetSize(); i ++) {
diff --git a/core/src/fpdftext/fpdf_text_int.cpp b/core/src/fpdftext/fpdf_text_int.cpp
index 882b22ceec..69d0bc574f 100644
--- a/core/src/fpdftext/fpdf_text_int.cpp
+++ b/core/src/fpdftext/fpdf_text_int.cpp
@@ -1164,9 +1164,6 @@ void CPDF_TextPage::AddCharInfoByLRDirection(CFX_WideString& str, int i)
             FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst);
             if (nCount >= 1) {
                 pDst = FX_Alloc(FX_WCHAR, nCount);
-                if (!pDst) {
-                    return;
-                }
                 FX_Unicode_GetNormalization(wChar, pDst);
                 for (int nIndex = 0; nIndex < nCount; nIndex++) {
                     PAGECHAR_INFO Info2 = Info;
@@ -1199,9 +1196,6 @@ void CPDF_TextPage::AddCharInfoByRLDirection(CFX_WideString& str, int i)
         FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst);
         if (nCount >= 1) {
             pDst = FX_Alloc(FX_WCHAR, nCount);
-            if (!pDst) {
-                return;
-            }
             FX_Unicode_GetNormalization(wChar, pDst);
             for (int nIndex = 0; nIndex < nCount; nIndex++) {
                 PAGECHAR_INFO Info2 = Info;