Shortcut ctrl+shift+T added on android.

chrome/browser/ui/android/tab_model/android_live_tab_context.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2016 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_UI_BROWSER_LIVE_TAB_CONTEXT_H_
-#define CHROME_BROWSER_UI_BROWSER_LIVE_TAB_CONTEXT_H_
+#ifndef CHROME_BROWSER_UI_ANDROID_TAB_MODEL_ANDROID_LIVE_TAB_CONTEXT_H_
+#define CHROME_BROWSER_UI_ANDROID_TAB_MODEL_ANDROID_LIVE_TAB_CONTEXT_H_
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "components/sessions/core/live_tab_context.h"
 
-class Browser;
-class Profile;
-
 namespace content {
 class WebContents;
 }
 
-// Implementation of LiveTabContext which uses an instance of
-// Browser in order to fulfil its duties.
-class BrowserLiveTabContext : public sessions::LiveTabContext {
+class TabModel;
+
+// Implementation of LiveTabContext which used by android.

[Theresa, 2016/06/30 20:50:25]

nit: is used by Android.

[xingliu, 2016/07/01 00:30:39]

Done.

+// Serve as adapter to LiveTabContext.

[Theresa, 2016/06/30 20:50:25]

nit: I think this line can be removed.

[xingliu, 2016/07/01 00:30:39]

Done.

+class AndroidLiveTabContext : public sessions::LiveTabContext {
  public:
-  explicit BrowserLiveTabContext(Browser* browser) : browser_(browser) {}
-  ~BrowserLiveTabContext() override {}
+  explicit AndroidLiveTabContext(TabModel* tab_model);
+  ~AndroidLiveTabContext() override {}
 
   // Overridden from LiveTabContext:
   void ShowBrowserWindow() override;
   const SessionID& GetSessionID() const override;
   int GetTabCount() const override;
   int GetSelectedIndex() const override;
   std::string GetAppName() const override;
   sessions::LiveTab* GetLiveTabAt(int index) const override;
   sessions::LiveTab* GetActiveLiveTab() const override;
   bool IsTabPinned(int index) const override;
   sessions::LiveTab* AddRestoredTab(
       const std::vector<sessions::SerializedNavigationEntry>& navigations,
       int tab_index,
       int selected_navigation,
       const std::string& extension_app_id,
       bool select,
       bool pin,
       bool from_last_session,
       const sessions::PlatformSpecificTabData* storage_namespace,
       const std::string& user_agent_override) override;
   sessions::LiveTab* ReplaceRestoredTab(
       const std::vector<sessions::SerializedNavigationEntry>& navigations,
       int selected_navigation,
       bool from_last_session,
       const std::string& extension_app_id,
       const sessions::PlatformSpecificTabData* tab_platform_data,
       const std::string& user_agent_override) override;
   void CloseTab() override;
 
-  // see Browser::Create
-  static sessions::LiveTabContext* Create(
-      Profile* profile,
-      const std::string& app_name);
-
-  // see browser::FindBrowserForWebContents
-  static sessions::LiveTabContext* FindContextForWebContents(
-      const content::WebContents* contents);
-
-  // see chrome::FindBrowserWithID
-  // Returns the LiveTabContext of the Browser with |desired_id| if
-  // such a Browser exists.
-  static sessions::LiveTabContext* FindContextWithID(
-      SessionID::id_type desired_id);
+  static LiveTabContext* FindContextForWebContents(const

[Theresa, 2016/06/30 20:50:25]

nit: put const on next line with content::WebContents* contents);

[xingliu, 2016/07/01 00:30:39]

Done.

+    content::WebContents* contents);
 
  private:
-  Browser* browser_;
-
-  DISALLOW_COPY_AND_ASSIGN(BrowserLiveTabContext);
+  TabModel* tab_model_;
+  DISALLOW_COPY_AND_ASSIGN(AndroidLiveTabContext);
 };
 
-#endif  // CHROME_BROWSER_UI_BROWSER_LIVE_TAB_CONTEXT_H_
+
+#endif  // CHROME_BROWSER_UI_ANDROID_TAB_MODEL_ANDROID_LIVE_TAB_CONTEXT_H_