Fix computation of Automation API location offsets in WebViews.

chrome/renderer/extensions/automation_internal_custom_bindings.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/common/extensions/api/automation.h"
@@ skipping 11 matching lines @@
 class AutomationMessageFilter;
 
 struct TreeCache {
   TreeCache();
   ~TreeCache();
 
   int tab_id;
   int tree_id;
   int parent_node_id_from_parent_tree;
 
-  gfx::Vector2d location_offset;
   ui::AXTree tree;
   AutomationInternalCustomBindings* owner;
 };
 
 struct TreeChangeObserver {
   int id;
   api::automation::TreeChangeObserverFilter filter;
 };
 
 // The native component of custom bindings for the chrome.automationInternal
@@ skipping 139 matching lines @@
   int tree_change_observer_overall_filter_;
   std::vector<int> deleted_node_ids_;
   std::vector<int> text_changed_node_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationInternalCustomBindings);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_