bindings: Use Maybe APIs in V8ScriptRunner (part 1)

Source/bindings/core/v8/ScriptController.cpp

Index: Source/bindings/core/v8/ScriptController.cpp
diff --git a/Source/bindings/core/v8/ScriptController.cpp b/Source/bindings/core/v8/ScriptController.cpp
index db9d2c7d16e3bdcd48981b96facfa0a9c309ab80..40a04188dc87c7b76bb4101f8b4f787b2626da4a 100644
--- a/Source/bindings/core/v8/ScriptController.cpp
+++ b/Source/bindings/core/v8/ScriptController.cpp
@@ -175,14 +175,17 @@ v8::Local<v8::Value> ScriptController::executeScriptAndReturnValue(v8::Handle<v8
         v8::TryCatch tryCatch;
         tryCatch.SetVerbose(true);
 
-        v8::Handle<v8::Script> script = V8ScriptRunner::compileScript(source, isolate(), corsStatus, v8CacheOptions);
+        v8::Local<v8::Script> script;
+        if (!V8ScriptRunner::compileScript(source, isolate(), corsStatus, v8CacheOptions).ToLocal(&script))
+            return result;
 
         if (compilationFinishTime) {
             *compilationFinishTime = WTF::monotonicallyIncreasingTime();
         }
         // Keep LocalFrame (and therefore ScriptController) alive.
         RefPtrWillBeRawPtr<LocalFrame> protect(frame());
-        result = V8ScriptRunner::runCompiledScript(isolate(), script, frame()->document());
+        if (!V8ScriptRunner::runCompiledScript(isolate(), script, frame()->document()).ToLocal(&result))
+            return result;
         ASSERT(!tryCatch.HasCaught() || result.IsEmpty());
     }