Move GetDocument method from WebFrame to WebLocalFrame.

extensions/renderer/script_context_set.h

 // Copyright 2014 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 EXTENSIONS_RENDERER_SCRIPT_CONTEXT_SET_H_
 #define EXTENSIONS_RENDERER_SCRIPT_CONTEXT_SET_H_
 
 #include <stddef.h>
 
 #include <set>
@@ skipping 100 matching lines @@
   }
 
   // Adds the given |context| for testing purposes.
   void AddForTesting(std::unique_ptr<ScriptContext> context);
 
  private:
   // Finds the extension for the JavaScript context associated with the
   // specified |frame| and isolated world. If |world_id| is zero, finds the
   // extension ID associated with the main world's JavaScript context. If the
   // JavaScript context isn't from an extension, returns empty string.
-  const Extension* GetExtensionFromFrameAndWorld(
-      const blink::WebLocalFrame* frame,
-      int world_id,
-      bool use_effective_url);
+  const Extension* GetExtensionFromFrameAndWorld(blink::WebLocalFrame* frame,
+                                                 int world_id,
+                                                 bool use_effective_url);
 
   // Returns the Feature::Context type of context for a JavaScript context.
   Feature::Context ClassifyJavaScriptContext(
       const Extension* extension,
       int world_id,
       const GURL& url,
       const blink::WebSecurityOrigin& origin);
 
   // Weak reference to all installed Extensions that are also active in this
   // process.
   ExtensionIdSet* active_extension_ids_;
 
   // The set of all ScriptContexts we own.
   std::set<ScriptContext*> contexts_;
 
   // Whether the script context set is associated with the renderer active on
   // the Chrome OS lock screen.
   bool is_lock_screen_context_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(ScriptContextSet);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_SCRIPT_CONTEXT_SET_H_