Remove use of a V8 handle outside of bindings code in TimingInput.cpp.

R=alancutter@chromium.org, jochen@chromium.org

Review URL: https://codereview.chromium.org/196243010

git-svn-id: svn://svn.chromium.org/blink/trunk@169893 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/animation/TimingInput.cpp

@@ -127,9 +127,8 @@ Timing TimingInput::convert(const Dictionary& timingInputDictionary)
     timingInputDictionary.get("iterations", iterationCount);
     setIterationCount(result, iterationCount);
 
-    v8::Local<v8::Value> iterationDurationValue;
-    if (timingInputDictionary.get("duration", iterationDurationValue)) {
-        double iterationDuration = iterationDurationValue->NumberValue();
+    double iterationDuration = 0;
+    if (timingInputDictionary.get("duration", iterationDuration)) {
         setIterationDuration(result, iterationDuration);
     }