Move GetDocument method from WebFrame to WebLocalFrame.

chrome/renderer/worker_content_settings_client.h

 // Copyright 2013 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_RENDERER_WORKER_CONTENT_SETTINGS_CLIENT_H_
 #define CHROME_RENDERER_WORKER_CONTENT_SETTINGS_CLIENT_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "third_party/WebKit/public/platform/WebContentSettingsClient.h"
 #include "url/gurl.h"
 
 namespace IPC {
 class SyncMessageFilter;
 }
 
 namespace content {
 class RenderFrame;
 }
 
 namespace blink {
-class WebFrame;
 class WebSecurityOrigin;
 }
 
 // This client is created on the main renderer thread then passed onto the
 // blink's worker thread.
 class WorkerContentSettingsClient : public blink::WebContentSettingsClient {
  public:
-  WorkerContentSettingsClient(content::RenderFrame* render_frame,
-                              blink::WebFrame* frame);
+  explicit WorkerContentSettingsClient(content::RenderFrame* render_frame);
   ~WorkerContentSettingsClient() override;
 
   // WebContentSettingsClient overrides.
   bool RequestFileSystemAccessSync() override;
   bool AllowIndexedDB(const blink::WebString& name,
                       const blink::WebSecurityOrigin&) override;
 
  private:
   // Loading document context for this worker.
   const int routing_id_;
   bool is_unique_origin_;
   GURL document_origin_url_;
   GURL top_frame_origin_url_;
   scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkerContentSettingsClient);
 };
 
 #endif  // CHROME_RENDERER_WORKER_CONTENT_SETTINGS_CLIENT_H_