Revert 164120 - content/browser: Move more files into the content namespace.

content/browser/browser_url_handler_impl.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 CONTENT_BROWSER_BROWSER_URL_HANDLER_IMPL_H_
 #define CONTENT_BROWSER_BROWSER_URL_HANDLER_IMPL_H_
 
 #include <vector>
 #include <utility>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/singleton.h"
 #include "content/public/browser/browser_url_handler.h"
 
 class GURL;
 
 namespace content {
 class BrowserContext;
+}
 
-class CONTENT_EXPORT BrowserURLHandlerImpl : public BrowserURLHandler {
+class CONTENT_EXPORT BrowserURLHandlerImpl : public content::BrowserURLHandler {
  public:
   // Returns the singleton instance.
   static BrowserURLHandlerImpl* GetInstance();
 
   // BrowserURLHandler implementation:
   virtual void RewriteURLIfNecessary(GURL* url,
-                                     BrowserContext* browser_context,
+                                     content::BrowserContext* browser_context,
                                      bool* reverse_on_redirect) OVERRIDE;
   // Add the specified handler pair to the list of URL handlers.
   virtual void AddHandlerPair(URLHandler handler,
                               URLHandler reverse_handler) OVERRIDE;
 
   // Reverses the rewriting that was done for |original| using the new |url|.
-  bool ReverseURLRewrite(GURL* url,
-                         const GURL& original,
-                         BrowserContext* browser_context);
+  bool ReverseURLRewrite(GURL* url, const GURL& original,
+                         content::BrowserContext* browser_context);
 
  private:
   // This object is a singleton:
   BrowserURLHandlerImpl();
   virtual ~BrowserURLHandlerImpl();
   friend struct DefaultSingletonTraits<BrowserURLHandlerImpl>;
 
   // The list of known URLHandlers, optionally with reverse-rewriters.
   typedef std::pair<URLHandler, URLHandler> HandlerPair;
   std::vector<HandlerPair> url_handlers_;
 
   FRIEND_TEST_ALL_PREFIXES(BrowserURLHandlerImplTest, BasicRewriteAndReverse);
   FRIEND_TEST_ALL_PREFIXES(BrowserURLHandlerImplTest, NullHandlerReverse);
 
   DISALLOW_COPY_AND_ASSIGN(BrowserURLHandlerImpl);
 };
 
-}  // namespace content
-
 #endif  // CONTENT_BROWSER_BROWSER_URL_HANDLER_IMPL_H_