Move guest_view to extensions.

chrome/browser/guest_view/web_view/web_view_guest.h

Index: chrome/browser/guest_view/web_view/web_view_guest.h
diff --git a/chrome/browser/guest_view/web_view/web_view_guest.h b/chrome/browser/guest_view/web_view/web_view_guest.h
index 39e3c72af2551bac3920555be7154205da243027..1ddda0c6c5a2b2bfdfad2d79ec7764d87abeeb0d 100644
--- a/chrome/browser/guest_view/web_view/web_view_guest.h
+++ b/chrome/browser/guest_view/web_view/web_view_guest.h
@@ -9,7 +9,6 @@
 
 #include "base/observer_list.h"
 #include "chrome/browser/extensions/tab_helper.h"
-#include "chrome/browser/guest_view/guest_view.h"
 #include "chrome/browser/guest_view/web_view/javascript_dialog_helper.h"
 #include "chrome/browser/guest_view/web_view/web_view_find_helper.h"
 #include "chrome/browser/guest_view/web_view/web_view_permission_helper.h"
@@ -17,6 +16,7 @@
 #include "chrome/common/extensions/api/web_view_internal.h"
 #include "content/public/browser/javascript_dialog_manager.h"
 #include "content/public/browser/notification_registrar.h"
+#include "extensions/browser/guest_view/guest_view.h"
 #include "third_party/WebKit/public/web/WebFindOptions.h"
 
 #if defined(OS_CHROMEOS)
@@ -27,15 +27,14 @@ namespace webview_api = extensions::api::web_view_internal;
 
 class RenderViewContextMenu;
 
-namespace extensions {
-class ScriptExecutor;
-class WebViewInternalFindFunction;
-}  // namespace extensions
-
 namespace ui {
 class SimpleMenuModel;
 }  // namespace ui
 
+namespace extensions {
+class ScriptExecutor;
+class WebViewInternalFindFunction;
+
 // A WebViewGuest provides the browser-side implementation of the <webview> API
 // and manages the dispatch of <webview> extension events. WebViewGuest is
 // created on attachment. That is, when a guest WebContents is associated with
@@ -399,4 +398,6 @@ class WebViewGuest : public GuestView<WebViewGuest>,
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
+}  // namespace extensions
+
 #endif  // CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_