Add ZoomLevelChanged and DidChangeScrollOffset to RenderViewObserver

chrome/renderer/autofill/autofill_agent.h

Index: chrome/renderer/autofill/autofill_agent.h
diff --git a/chrome/renderer/autofill/autofill_agent.h b/chrome/renderer/autofill/autofill_agent.h
index f9b0364fc464ec55485f2bc1e8d2433d7ffa459c..51c72aee64616c29f81d9b6382116f50e50bdf2f 100644
--- a/chrome/renderer/autofill/autofill_agent.h
+++ b/chrome/renderer/autofill/autofill_agent.h
@@ -27,6 +27,7 @@ struct FormField;
 }
 
 namespace WebKit {
+class WebMouseWheelEvent;
 class WebNode;
 }
 
@@ -65,6 +66,8 @@ class AutofillAgent : public content::RenderViewObserver,
   virtual void FrameWillClose(WebKit::WebFrame* frame) OVERRIDE;
   virtual void WillSubmitForm(WebKit::WebFrame* frame,
                               const WebKit::WebFormElement& form) OVERRIDE;
+  virtual void DidHandleWheelEvent(const WebKit::WebMouseWheelEvent& event)
+      OVERRIDE;
 
   // PageClickListener:
   virtual bool InputElementClicked(const WebKit::WebInputElement& element,