Move ExtensionHost into extensions namespace

chrome/browser/ui/views/extensions/extension_popup.h

 // Copyright (c) 2012 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_EXTENSIONS_EXTENSION_POPUP_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/ui/views/extensions/extension_view.h"
@@ skipping 20 matching lines @@
   // If |arrow_location| is BOTTOM_*, then the popup 'pops up', otherwise
   // the popup 'drops down'.
   // The actual display of the popup is delayed until the page contents
   // finish loading in order to minimize UI flashing and resizing.
   static ExtensionPopup* ShowPopup(
       const GURL& url,
       Browser* browser,
       views::View* anchor_view,
       views::BubbleBorder::ArrowLocation arrow_location);
 
-  ExtensionHost* host() const { return extension_host_.get(); }
+  extensions::ExtensionHost* host() const { return extension_host_.get(); }
 
   // content::NotificationObserver overrides.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // ExtensionView::Container overrides.
   virtual void OnExtensionSizeChanged(ExtensionView* view) OVERRIDE;
 
   // views::View overrides.
   virtual gfx::Size GetPreferredSize() OVERRIDE;
 
   // views::WidgetFocusChangeListener overrides.
   virtual void OnNativeFocusChange(gfx::NativeView focused_before,
                                    gfx::NativeView focused_now) OVERRIDE;
 
   // The min/max height of popups.
   static const int kMinWidth;
   static const int kMinHeight;
   static const int kMaxWidth;
   static const int kMaxHeight;
 
  private:
   ExtensionPopup(Browser* browser,
-                 ExtensionHost* host,
+                 extensions::ExtensionHost* host,
                  views::View* anchor_view,
                  views::BubbleBorder::ArrowLocation arrow_location);
 
   // Show the bubble, focus on its content, and register listeners.
   void ShowBubble();
 
   void CloseBubble();
 
   // The contained host for the view.
-  scoped_ptr<ExtensionHost> extension_host_;
+  scoped_ptr<extensions::ExtensionHost> extension_host_;
 
   // Flag used to indicate if the pop-up should open a devtools window once
   // it is shown inspecting it.
   bool inspect_with_devtools_;
 
   content::NotificationRegistrar registrar_;
 
   base::WeakPtrFactory<ExtensionPopup> close_bubble_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPopup);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_