Fix extensions compile issues for Android on sync_unit_tests.

chrome/browser/extensions/extension_host.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_EXTENSIONS_EXTENSION_HOST_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/perftimer.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "content/public/browser/javascript_dialogs.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/view_type.h"
 
 #if defined(TOOLKIT_VIEWS)
 #include "chrome/browser/ui/views/extensions/extension_view.h"
 #elif defined(OS_MACOSX)
 #include "chrome/browser/ui/cocoa/extensions/extension_view_mac.h"
 #elif defined(TOOLKIT_GTK)
 #include "chrome/browser/ui/gtk/extensions/extension_view_gtk.h"
+#elif defined(OS_ANDROID)
+#include "chrome/browser/ui/android/extensions/extension_view_android.h"
 #endif
 
 class Browser;
 class Extension;
 class PrefsTabHelper;
 struct WebPreferences;
 
 namespace content {
 class RenderProcessHost;
 class RenderWidgetHostView;
@@ skipping 12 matching lines @@
   class ProcessCreationQueue;
 
 #if defined(TOOLKIT_VIEWS)
   typedef ExtensionView PlatformExtensionView;
 #elif defined(OS_MACOSX)
   typedef ExtensionViewMac PlatformExtensionView;
 #elif defined(TOOLKIT_GTK)
   typedef ExtensionViewGtk PlatformExtensionView;
 #elif defined(OS_ANDROID)
   // Android does not support extensions.
-  typedef void* PlatformExtensionView;
+  typedef ExtensionViewAndroid PlatformExtensionView;
 #endif
 
   ExtensionHost(const Extension* extension,
                 content::SiteInstance* site_instance,
                 const GURL& url, content::ViewType host_type);
   virtual ~ExtensionHost();
 
 #if defined(TOOLKIT_VIEWS)
   void set_view(PlatformExtensionView* view) { view_.reset(view); }
 #endif
@@ skipping 166 matching lines @@
   // The relevant WebContents associated with this ExtensionHost, if any.
   content::WebContents* associated_web_contents_;
 
   // Used to measure how long it's been since the host was created.
   PerfTimer since_created_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionHost);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_