Rename toWebCoreString*() utility methods to toCoreString*()

Source/core/inspector/JavaScriptCallFrame.cpp

Index: Source/core/inspector/JavaScriptCallFrame.cpp
diff --git a/Source/core/inspector/JavaScriptCallFrame.cpp b/Source/core/inspector/JavaScriptCallFrame.cpp
index ae2d659d8a8dee3175699a56178a529839ae59be..6a669582b2d2dd005b9214d674dae6aa50c1eb34 100644
--- a/Source/core/inspector/JavaScriptCallFrame.cpp
+++ b/Source/core/inspector/JavaScriptCallFrame.cpp
@@ -97,7 +97,7 @@ String JavaScriptCallFrame::functionName() const
     v8::HandleScope handleScope(m_isolate);
     v8::Context::Scope contextScope(m_debuggerContext.newLocal(m_isolate));
     v8::Handle<v8::Value> result = m_callFrame.newLocal(m_isolate)->Get(v8AtomicString(m_isolate, "functionName"));
-    return toWebCoreStringWithUndefinedOrNullCheck(result);
+    return toCoreStringWithUndefinedOrNullCheck(result);
 }
 
 v8::Handle<v8::Value> JavaScriptCallFrame::scopeChain() const
@@ -125,7 +125,7 @@ String JavaScriptCallFrame::stepInPositions() const
     v8::Handle<v8::Object> callFrame = m_callFrame.newLocal(m_isolate);
     v8::Handle<v8::Function> stepInPositions = v8::Handle<v8::Function>::Cast(callFrame->Get(v8AtomicString(m_isolate, "stepInPositions")));
     v8::Handle<v8::Value> result = stepInPositions->Call(callFrame, 0, 0);
-    return toWebCoreStringWithUndefinedOrNullCheck(result);
+    return toCoreStringWithUndefinedOrNullCheck(result);
 }
 
 bool JavaScriptCallFrame::isAtReturn() const