Battery Status API: add testing support for LayoutTests.

content/shell/renderer/webkit_test_runner.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/shell/renderer/webkit_test_runner.h"
 
 #include <algorithm>
 #include <clocale>
 #include <cmath>
 
@@ skipping 217 matching lines @@
 
 void WebKitTestRunner::setScreenOrientation(
     const WebScreenOrientationType& orientation) {
   SetMockScreenOrientation(render_view(), orientation);
 }
 
 void WebKitTestRunner::resetScreenOrientation() {
   ResetMockScreenOrientation();
 }
 
+void WebKitTestRunner::didChangeBatteryStatus(
+    const blink::WebBatteryStatus& status) {
+  MockBatteryStatusChanged(status);
+}
+
 void WebKitTestRunner::printMessage(const std::string& message) {
   Send(new ShellViewHostMsg_PrintMessage(routing_id(), message));
 }
 
 void WebKitTestRunner::postTask(WebTask* task) {
   Platform::current()->callOnMainThread(InvokeTaskHelper, task);
 }
 
 void WebKitTestRunner::postDelayedTask(WebTask* task, long long ms) {
   base::MessageLoop::current()->PostDelayedTask(
@@ skipping 470 matching lines @@
 
   leak_detector_->TryLeakDetection(main_frame);
 }
 
 void WebKitTestRunner::ReportLeakDetectionResult(
     const LeakDetectionResult& report) {
   Send(new ShellViewHostMsg_LeakDetectionDone(routing_id(), report));
 }
 
 }  // namespace content