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..00b580637d031d8655cdbcc392e8014b329ad66f 100644
--- a/third_party/WebKit/public/web/WebView.h
+++ b/third_party/WebKit/public/web/WebView.h
@@ -487,6 +487,10 @@ public:
     // context's ability to deal with that failure gracefully can be tested.
     virtual void forceNextDrawingBufferCreationToFail() = 0;
 
+    // Updates or resets the battery status.
+    virtual void updateBatteryStatusForTesting(bool charging, double chargingTime, double dischargingTime, double level) = 0;
+    virtual void resetBatteryStatusForTesting() = 0;
+
 protected:
     ~WebView() {}
 };