Second try at fixing location bar icon keyboard activation.

chrome/browser/ui/views/location_bar/bubble_icon_view.h

 // Copyright 2013 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_BROWSER_UI_VIEWS_LOCATION_BAR_BUBBLE_ICON_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_BUBBLE_ICON_VIEW_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 44 matching lines @@
   virtual void OnExecuting(ExecuteSource execute_source) = 0;
 
   // views::View:
   void GetAccessibleState(ui::AXViewState* state) override;
   bool GetTooltipText(const gfx::Point& p, base::string16* tooltip) const
       override;
   gfx::Size GetPreferredSize() const override;
   void Layout() override;
   bool OnMousePressed(const ui::MouseEvent& event) override;
   void OnMouseReleased(const ui::MouseEvent& event) override;
+  bool OnKeyPressed(const ui::KeyEvent& event) override;
   bool OnKeyReleased(const ui::KeyEvent& event) override;
   void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
   void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
   void AddInkDropLayer(ui::Layer* ink_drop_layer) override;
   void RemoveInkDropLayer(ui::Layer* ink_drop_layer) override;
   std::unique_ptr<views::InkDropHover> CreateInkDropHover() const override;
   SkColor GetInkDropBaseColor() const override;
 
   // ui::EventHandler:
@@ skipping 52 matching lines @@
   // prevent the bubble from reshowing.
   bool suppress_mouse_released_action_;
 
   // Animation delegate for the ink drop ripple effect.
   std::unique_ptr<views::InkDropDelegate> ink_drop_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleIconView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_BUBBLE_ICON_VIEW_H_