Create Content API around HostZoomMap.

content/shell/shell_browser_context.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 CONTENT_SHELL_SHELL_BROWSER_CONTEXT_H_
 #define CONTENT_SHELL_SHELL_BROWSER_CONTEXT_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/browser_context.h"
 
 class DownloadManager;
 class DownloadStatusUpdater;
-class HostZoomMap;
 class SSLHostState;
 
 namespace content {
 
 class DownloadManagerDelegate;
 class ResourceContext;
 class ShellBrowserMainParts;
 class ShellDownloadManagerDelegate;
 
 class ShellBrowserContext : public BrowserContext {
@@ skipping 44 matching lines @@
   scoped_refptr<ChromeBlobStorageContext> blob_storage_context_;
 
   ShellBrowserMainParts* shell_main_parts_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellBrowserContext);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_BROWSER_CONTEXT_H_