Move ExtensionHost into extensions namespace

chrome/browser/ui/cocoa/extensions/extension_view_mac.mm

 // 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/browser/ui/cocoa/extensions/extension_view_mac.h"
 
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/common/view_type.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 
 // The minimum/maximum dimensions of the popup.
 const CGFloat ExtensionViewMac::kMinWidth = 25.0;
 const CGFloat ExtensionViewMac::kMinHeight = 25.0;
 const CGFloat ExtensionViewMac::kMaxWidth = 800.0;
 const CGFloat ExtensionViewMac::kMaxHeight = 600.0;
 
-ExtensionViewMac::ExtensionViewMac(ExtensionHost* extension_host,
+ExtensionViewMac::ExtensionViewMac(extensions::ExtensionHost* extension_host,
                                    Browser* browser)
     : browser_(browser),
       extension_host_(extension_host),
       container_(NULL) {
   DCHECK(extension_host_);
   [native_view() setHidden:YES];
 }
 
 ExtensionViewMac::~ExtensionViewMac() {
 }
@@ skipping 55 matching lines @@
 
 void ExtensionViewMac::ShowIfCompletelyLoaded() {
   // We wait to show the ExtensionView until it has loaded, and the view has
   // actually been created. These can happen in different orders.
   if (extension_host_->did_stop_loading()) {
     [native_view() setHidden:NO];
     if (container_)
       container_->OnExtensionViewDidShow(this);
   }
 }