Cleanup: Move kChromeUIScheme constant into content namespace.

chrome/browser/tab_contents/render_view_context_menu.cc

Index: chrome/browser/tab_contents/render_view_context_menu.cc
diff --git a/chrome/browser/tab_contents/render_view_context_menu.cc b/chrome/browser/tab_contents/render_view_context_menu.cc
index 628d903b40637541bf2969f9a13fff7db6ea3f02..443aa724ffd1823161e2aaeeabb49f7c7ba5bc6a 100644
--- a/chrome/browser/tab_contents/render_view_context_menu.cc
+++ b/chrome/browser/tab_contents/render_view_context_menu.cc
@@ -390,7 +390,7 @@ bool RenderViewContextMenu::IsDevToolsURL(const GURL& url) {
 
 // static
 bool RenderViewContextMenu::IsInternalResourcesURL(const GURL& url) {
-  if (!url.SchemeIs(chrome::kChromeUIScheme))
+  if (!url.SchemeIs(content::kChromeUIScheme))
     return false;
   return url.host() == chrome::kChromeUISyncResourcesHost;
 }
@@ -1287,7 +1287,7 @@ bool RenderViewContextMenu::IsCommandIdEnabled(int id) const {
     case IDC_CONTENT_CONTEXT_OPENIMAGENEWTAB:
     case IDC_CONTENT_CONTEXT_SEARCHWEBFORIMAGE:
       return params_.src_url.is_valid() &&
-          (params_.src_url.scheme() != chrome::kChromeUIScheme);
+          (params_.src_url.scheme() != content::kChromeUIScheme);
 
     case IDC_CONTENT_CONTEXT_COPYIMAGE:
       return params_.has_image_contents;