Add ZoomLevelChanged and DidChangeScrollOffset to RenderViewObserver

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 0d6467d14edeab3719d73e7cbc1190ccf3d0fe32..4b438e1c8dd514d4bd3c781fab67a638e5c2fb28 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -226,6 +226,8 @@ using WebKit::WebIntentServiceInfo;
 using WebKit::WebMediaPlayer;
 using WebKit::WebMediaPlayerAction;
 using WebKit::WebMediaPlayerClient;
+using WebKit::WebMouseEvent;
+using WebKit::WebMouseWheelEvent;
 using WebKit::WebNavigationPolicy;
 using WebKit::WebNavigationType;
 using WebKit::WebNode;
@@ -4747,7 +4749,7 @@ bool RenderViewImpl::WillHandleMouseEvent(const WebKit::WebMouseEvent& event) {
   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
 }
 
-void RenderViewImpl::DidHandleMouseEvent(const WebKit::WebMouseEvent& event) {
+void RenderViewImpl::DidHandleMouseEvent(const WebMouseEvent& event) {
   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleMouseEvent(event));
 }
 
@@ -4755,6 +4757,10 @@ void RenderViewImpl::DidHandleTouchEvent(const WebTouchEvent& event) {
   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleTouchEvent(event));
 }
 
+void RenderViewImpl::DidHandleWheelEvent(const WebMouseWheelEvent& event) {
+  FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleWheelEvent(event));
+}
+
 void RenderViewImpl::OnWasHidden() {
   RenderWidget::OnWasHidden();