Remove EPM:all_hosts_ and use all_extension_views_ instead.

chrome/browser/automation/automation_util.h

 // Copyright (c) 2011 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_AUTOMATION_AUTOMATION_UTIL_H_
 #define CHROME_BROWSER_AUTOMATION_AUTOMATION_UTIL_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 
 class AutomationId;
 class AutomationProvider;
 class Browser;
 class Extension;
-class ExtensionHost;
 class GURL;
 class Profile;
 class TabContentsWrapper;
 
 namespace content {
 class RenderViewHost;
 class WebContents;
 }
 
 namespace base {
@@ skipping 57 matching lines @@
                    IPC::Message* reply_message);
 
 // Sends a JSON error reply if an app modal dialog is active. Returns whether
 // an error reply was sent.
 bool SendErrorIfModalDialogActive(AutomationProvider* provider,
                                   IPC::Message* message);
 
 // Returns a valid automation ID for the given tab.
 AutomationId GetIdForTab(const TabContentsWrapper* tab);
 
-// Returns a valid automation ID for the extension host.
-AutomationId GetIdForExtensionView(const ExtensionHost* ext_host);
+// Returns a valid automation ID for the extension view.
+AutomationId GetIdForExtensionView(
+    const content::RenderViewHost* render_view_host);
 
 // Returns a valid automation ID for the extension.
 AutomationId GetIdForExtension(const Extension* extension);
 
 // Gets the tab for the given ID. Returns true on success.
 bool GetTabForId(const AutomationId& id, content::WebContents** tab);
 
 // Gets the render view for the given ID. Returns true on success.
 bool GetRenderViewForId(const AutomationId& id,
                         Profile* profile,
                         content::RenderViewHost** rvh);
 
 // Gets the extension for the given ID. Returns true on success.
 bool GetExtensionForId(const AutomationId& id,
                        Profile* profile,
                        const Extension** extension);
 
 // Returns whether the given ID refers to an actual automation entity.
 bool DoesObjectWithIdExist(const AutomationId& id, Profile* profile);
 
 }  // namespace automation_util
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_UTIL_H_