Move guest_view to extensions.

extensions/browser/guest_view/guest_view_base.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_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_
-#define CHROME_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_
+#ifndef EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_
+#define EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_
 
 #include <queue>
 
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
 #include "content/public/browser/browser_plugin_guest_delegate.h"
 #include "content/public/browser/render_process_host_observer.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 
 struct RendererContentSettingRules;
 
+namespace extensions {
+
 // A GuestViewBase is the base class browser-side API implementation for a
 // <*view> tag. GuestViewBase maintains an association between a guest
 // WebContents and an embedder WebContents. It receives events issued from
 // the guest and relays them to the embedder. GuestViewBase tracks the lifetime
 // of its embedder render process until it is attached to a particular embedder
 // WebContents. At that point, its lifetime is restricted in scope to the
 // lifetime of its embedder WebContents.
 class GuestViewBase : public content::BrowserPluginGuestDelegate,
                       public content::RenderProcessHostObserver,
                       public content::WebContentsDelegate,
@@ skipping 291 matching lines @@
   // The minimum size constraints of the container element in autosize mode.
   gfx::Size min_auto_size_;
 
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<GuestViewBase> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GuestViewBase);
 };
 
-#endif  // CHROME_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_