Don't set view_screen_rect_ on RequestMove ACK

third_party/WebKit/public/web/WebWidgetClient.h

Index: third_party/WebKit/public/web/WebWidgetClient.h
diff --git a/third_party/WebKit/public/web/WebWidgetClient.h b/third_party/WebKit/public/web/WebWidgetClient.h
index 9918c4999c9c6e93a3deb699d43a9a785287f3c3..577f9a04dbab82af81fa630e228c89b607cfc409 100644
--- a/third_party/WebKit/public/web/WebWidgetClient.h
+++ b/third_party/WebKit/public/web/WebWidgetClient.h
@@ -87,10 +87,16 @@ public:
     // Called to show the widget according to the given policy.
     virtual void show(WebNavigationPolicy) { }
 
-    // Called to get/set the position of the widget in screen coordinates.
+    // Called to get/set the position of the widget's window in screen
+    // coordinates. Note, the window includes any decorations such as borders,
+    // scrollbars, URL bar, tab strip, etc. if they exist.
     virtual WebRect windowRect() { return WebRect(); }
     virtual void setWindowRect(const WebRect&) { }
 
+    // Called to get the view rect in screen coordinates. This is the actual
+    // content view area, i.e. doesn't include any window decorations.
+    virtual WebRect viewRect() { return WebRect(); }
+
     // Called when a tooltip should be shown at the current cursor position.
     virtual void setToolTipText(const WebString&, WebTextDirection hint) { }