Remove Battery Status API support code from Blink

Source/WebKit/chromium/src/WebViewImpl.h

Index: Source/WebKit/chromium/src/WebViewImpl.h
diff --git a/Source/WebKit/chromium/src/WebViewImpl.h b/Source/WebKit/chromium/src/WebViewImpl.h
index 7e06c1c49925542ee27833b61c60409ad9d462a7..2c8b37643916a43dd36d3f48b2f8c57dcc7858c8 100644
--- a/Source/WebKit/chromium/src/WebViewImpl.h
+++ b/Source/WebKit/chromium/src/WebViewImpl.h
@@ -89,7 +89,6 @@ class Widget;
 namespace WebKit {
 class AutocompletePopupMenuClient;
 class AutofillPopupMenuClient;
-class BatteryClientImpl;
 class ContextFeaturesClientImpl;
 class ContextMenuClientImpl;
 class DeviceOrientationClientProxy;
@@ -307,9 +306,6 @@ public:
     virtual void showContextMenu();
     virtual void addPageOverlay(WebPageOverlay*, int /* zOrder */);
     virtual void removePageOverlay(WebPageOverlay*);
-#if ENABLE(BATTERY_STATUS)
-    virtual void updateBatteryStatus(const WebBatteryStatus&);
-#endif
     virtual void transferActiveWheelFlingAnimation(const WebActiveWheelFlingParameters&);
     virtual WebViewBenchmarkSupport* benchmarkSupport();
     virtual void setShowPaintRects(bool);
@@ -824,9 +820,6 @@ private:
 
     OwnPtr<DeviceOrientationClientProxy> m_deviceOrientationClientProxy;
     OwnPtr<GeolocationClientProxy> m_geolocationClientProxy;
-#if ENABLE(BATTERY_STATUS)
-    OwnPtr<BatteryClientImpl> m_batteryClient;
-#endif
 
     float m_emulatedTextZoomFactor;