content: Move kViewSourceScheme constant into content namespace.

content/public/browser/web_contents_delegate.cc

 // 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.
 
 #include "content/public/browser/web_contents_delegate.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "content/public/browser/render_view_host.h"
@@ skipping 69 matching lines @@
 bool WebContentsDelegate::HandleContextMenu(
     const content::ContextMenuParams& params) {
   return false;
 }
 
 void WebContentsDelegate::ViewSourceForTab(WebContents* source,
                                            const GURL& page_url) {
   // Fall back implementation based entirely on the view-source scheme.
   // It suffers from http://crbug.com/523 and that is why browser overrides
   // it with proper implementation.
-  GURL url = GURL(chrome::kViewSourceScheme + std::string(":") +
-                      page_url.spec());
+  GURL url = GURL(kViewSourceScheme + std::string(":") + page_url.spec());
   OpenURLFromTab(source, OpenURLParams(url, Referrer(),
                                        NEW_FOREGROUND_TAB,
                                        PAGE_TRANSITION_LINK, false));
 }
 
 void WebContentsDelegate::ViewSourceForFrame(WebContents* source,
                                              const GURL& frame_url,
                                              const PageState& page_state) {
   // Same as ViewSourceForTab, but for given subframe.
-  GURL url = GURL(chrome::kViewSourceScheme + std::string(":") +
-                      frame_url.spec());
+  GURL url = GURL(kViewSourceScheme + std::string(":") + frame_url.spec());
   OpenURLFromTab(source, OpenURLParams(url, Referrer(),
                                        NEW_FOREGROUND_TAB,
                                        PAGE_TRANSITION_LINK, false));
 }
 
 bool WebContentsDelegate::PreHandleKeyboardEvent(
     WebContents* source,
     const NativeWebKeyboardEvent& event,
     bool* is_keyboard_shortcut) {
   return false;
@@ skipping 46 matching lines @@
   DCHECK(attached_contents_.find(web_contents) == attached_contents_.end());
   attached_contents_.insert(web_contents);
 }
 
 void WebContentsDelegate::Detach(WebContents* web_contents) {
   DCHECK(attached_contents_.find(web_contents) != attached_contents_.end());
   attached_contents_.erase(web_contents);
 }
 
 }  // namespace content