Refactor away the Browser* dependency in exclusive_access

chrome/browser/ui/exclusive_access/exclusive_access_context_browser.h

+// Copyright (c) 2015 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_EXCLUSIVE_ACCESS_EXCLUSIVE_ACCESS_CONTEXT_BROWSER_H_
+#define CHROME_BROWSER_UI_EXCLUSIVE_ACCESS_EXCLUSIVE_ACCESS_CONTEXT_BROWSER_H_
+
+#include "chrome/browser/ui/exclusive_access/exclusive_access_bubble_type.h"
+#include "chrome/browser/ui/exclusive_access/exclusive_access_context.h"
+
+class Browser;
+class GURL;
+
+// Implements ExclusiveAccessContext interface to be used in browser context.
+class ExclusiveAccessContextBrowser : public ExclusiveAccessContext {
+ public:
+  explicit ExclusiveAccessContextBrowser(Browser* browser);
+  ~ExclusiveAccessContextBrowser() override;
+
+  // ExclusiveAccessContext
+  Profile* GetProfile() override;
+  bool IsFullscreen() override;
+  bool IsFullscreenWithToolbar() override;
+  bool SupportsFullscreenWithToolbar() override;
+  void EnterFullscreen(const GURL& url,
+                       ExclusiveAccessBubbleType bubble_type,
+                       bool with_toolbar) override;
+  void ExitFullscreen() override;
+  void UpdateExclusiveAccessExitBubbleContent(
+      GURL url,
+      ExclusiveAccessBubbleType bubble_type) override;
+  content::WebContents* GetActiveWebContents() override;
+  void UpdateFullscreenWithToolbar(bool with_toolbar) override;
+
+  // These two functions are NOOP except in OS_WIN.
+  void SetMetroSnapMode(bool enable) override;
+  bool IsInMetroSnapMode() override;
+
+  void UpdateDownloadShelf(bool unhide) override;
+
+ private:
+  Browser* const browser_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExclusiveAccessContextBrowser);
+};
+
+#endif  // CHROME_BROWSER_UI_EXCLUSIVE_ACCESS_EXCLUSIVE_ACCESS_CONTEXT_BROWSER_H_