Remove pinch zoom handling from the browser process

content/browser/renderer_host/render_widget_host_delegate.h

Index: content/browser/renderer_host/render_widget_host_delegate.h
diff --git a/content/browser/renderer_host/render_widget_host_delegate.h b/content/browser/renderer_host/render_widget_host_delegate.h
index 2a4bba88a595d912369301b55db30becbd4a9afd..decec4ae5647952d4c94555e72098f7edc8dc9b9 100644
--- a/content/browser/renderer_host/render_widget_host_delegate.h
+++ b/content/browser/renderer_host/render_widget_host_delegate.h
@@ -61,10 +61,6 @@ class CONTENT_EXPORT RenderWidgetHostDelegate {
   // Returns true if the |event| was handled.
   virtual bool PreHandleGestureEvent(const blink::WebGestureEvent& event);
 
-  // Callback to inform the browser that the renderer did not process the
-  // specified gesture event.  Returns true if the |event| was handled.
-  virtual bool HandleGestureEvent(const blink::WebGestureEvent& event);
-
   // Notifies that screen rects were sent to renderer process.
   virtual void DidSendScreenRects(RenderWidgetHostImpl* rwh) {}