Migrates battery_status from content/renderer/ to WebKit/platform/

third_party/WebKit/public/web/WebView.h

Index: third_party/WebKit/public/web/WebView.h
diff --git a/third_party/WebKit/public/web/WebView.h b/third_party/WebKit/public/web/WebView.h
index 18b2e9dd47d0958c1d1ebd9dc4ed86d61e9e7301..548c847fa0e250f3a4eaf7f14b9a0a6ba196872a 100644
--- a/third_party/WebKit/public/web/WebView.h
+++ b/third_party/WebKit/public/web/WebView.h
@@ -487,6 +487,13 @@ public:
     // context's ability to deal with that failure gracefully can be tested.
     virtual void forceNextDrawingBufferCreationToFail() = 0;
 
+    // Updates or resets the battery status.
+    //
+    // TODO(yukishiino): Remove these two functions from WebView once JS
+    // bindings of Mojo services get available.
+    virtual void updateBatteryStatusForTesting(bool charging, double chargingTime, double dischargingTime, double level) = 0;
+    virtual void resetBatteryStatusForTesting() = 0;
+
 protected:
     ~WebView() {}
 };