Cleanup: Move kChromeDevToolsScheme constant into content namespace.

chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc

Index: chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
diff --git a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
index 86282761ab73bf6d20361ceb72b6ddc549fdaf7d..40f161667a84f1bbb66c6a26f07adf69062717d5 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
@@ -225,7 +225,7 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
 
   // This will get called a lot to check all URLs, so do a quick check of other
   // schemes to filter out most URLs.
-  if (!url.SchemeIs(chrome::kChromeDevToolsScheme) &&
+  if (!url.SchemeIs(content::kChromeDevToolsScheme) &&
       !url.SchemeIs(content::kChromeUIScheme)) {
     return NULL;
   }
@@ -324,7 +324,7 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
   // Bookmarks are part of NTP on Android.
   if (url.host() == chrome::kChromeUIBookmarksHost)
     return &NewWebUI<BookmarksUI>;
-  if (url.SchemeIs(chrome::kChromeDevToolsScheme))
+  if (url.SchemeIs(content::kChromeDevToolsScheme))
     return &NewWebUI<DevToolsUI>;
   // Downloads list on Android uses the built-in download manager.
   if (url.host() == chrome::kChromeUIDownloadsHost)