Merge to XFA: Kill overloaded cast operators in CJS_Value.

Original Review URL: https://codereview.chromium.org/1096813008
TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1106663002
diff --git a/fpdfsdk/include/javascript/JS_Value.h b/fpdfsdk/include/javascript/JS_Value.h
index 1431349..ecd0f83 100644
--- a/fpdfsdk/include/javascript/JS_Value.h
+++ b/fpdfsdk/include/javascript/JS_Value.h
@@ -39,16 +39,16 @@
 	void Detach();
 
 
-	operator int() const;
-	operator bool() const;
-	operator double() const;
-	operator float() const;
-	operator CJS_Object*() const;
-	operator v8::Handle<v8::Object>() const;
-	operator v8::Handle<v8::Array>() const;
-	operator CFX_WideString() const;
-	operator CFX_ByteString() const;
-	v8::Handle<v8::Value> ToJSValue();
+	int ToInt() const;
+	bool ToBool() const;
+	double ToDouble() const;
+	float  ToFloat() const;
+	CJS_Object* ToCJSObject() const;
+	CFX_WideString ToCFXWideString() const;
+	CFX_ByteString ToCFXByteString() const;
+	v8::Handle<v8::Object> ToV8Object() const;
+	v8::Handle<v8::Array> ToV8Array() const;
+	v8::Handle<v8::Value> ToV8Value() const;
 
 	void operator = (int iValue);
 	void operator = (bool bValue);