Merge 171240 "Fix compilation on Chromium OS after r171165"

Source/core/dom/CharacterData.cpp

Index: Source/core/dom/CharacterData.cpp
===================================================================
--- Source/core/dom/CharacterData.cpp	(revision 173028)
+++ Source/core/dom/CharacterData.cpp	(working copy)
@@ -125,7 +125,7 @@
 
 void CharacterData::deleteData(unsigned offset, unsigned count, ExceptionState& exceptionState, RecalcStyleBehavior recalcStyleBehavior)
 {
-    unsigned realCount;
+    unsigned realCount = 0;
     if (!validateOffsetCount(offset, count, length(), realCount, exceptionState))
         return;
 
@@ -139,7 +139,7 @@
 
 void CharacterData::replaceData(unsigned offset, unsigned count, const String& data, ExceptionState& exceptionState)
 {
-    unsigned realCount;
+    unsigned realCount = 0;
     if (!validateOffsetCount(offset, count, length(), realCount, exceptionState))
         return;