Re-factor location bar/toolbar code to get rid of the browser dependency.

chrome/browser/ui/tab_contents/tab_contents_wrapper_container.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_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_CONTAINER_H_
+#define CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_CONTAINER_H_
+#pragma once
+
+class TabContentsWrapper;
+
+namespace content {
+  class NavigationController;
+  class WebContents;
+}
+
+// Interface which provides simple functionality for accessing
+// TabContentsWrapper instances.
+class TabContentsWrapperContainer {
+ public:
+  TabContentsWrapperContainer() {}
+  virtual ~TabContentsWrapperContainer() {}
+
+  // Count of TCWs in the container.
+  virtual int tab_count() const = 0;
+
+  // Index of the active TCW.
+  virtual int active_index() const = 0;
+
+  virtual int GetIndexOfController(
+      const content::NavigationController* controller) const = 0;
+
+  // Returns active TCW.
+  // TODO(dpapad): Rename to GetActiveTabContentsWrapper().
+  virtual TabContentsWrapper* GetSelectedTabContentsWrapper() const = 0;
+
+  // A convenient version of the above which returns the TCW's WebContents.
+  virtual content::WebContents* GetSelectedWebContents() const = 0;
+
+  // Returns TCW at specified index.
+  virtual TabContentsWrapper* GetTabContentsWrapperAt(int index) const = 0;
+
+  // A convenient version of the above which returns the TCW's WebContents.
+  virtual content::WebContents* GetWebContentsAt(int index) const = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TabContentsWrapperContainer);
+};
+
+#endif  // CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_CONTAINER_H_