Add serializers for window.performance.

third_party/WebKit/Source/core/timing/PerformanceNavigation.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 12 matching lines @@
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/timing/PerformanceNavigation.h"
 
+#include "bindings/core/v8/ScriptValue.h"
+#include "bindings/core/v8/V8ObjectBuilder.h"
 #include "core/frame/LocalFrame.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoaderTypes.h"
 
 namespace blink {
 
 PerformanceNavigation::PerformanceNavigation(LocalFrame* frame)
     : DOMWindowProperty(frame) {}
 
 unsigned short PerformanceNavigation::type() const {
@@ skipping 22 matching lines @@
   if (!loader)
     return 0;
 
   const DocumentLoadTiming& timing = loader->timing();
   if (timing.hasCrossOriginRedirect())
     return 0;
 
   return timing.redirectCount();
 }
 
+ScriptValue PerformanceNavigation::toJSONForBinding(
+    ScriptState* scriptState) const {
+  V8ObjectBuilder result(scriptState);
+  result.addNumber("type", type());
+  result.addNumber("redirectCount", redirectCount());
+  return result.scriptValue();
+}
+
 DEFINE_TRACE(PerformanceNavigation) {
   DOMWindowProperty::trace(visitor);
 }
 
 }  // namespace blink