Move some content url constants to /url.

content/browser/media/android/media_resource_getter_impl.cc

Index: content/browser/media/android/media_resource_getter_impl.cc
diff --git a/content/browser/media/android/media_resource_getter_impl.cc b/content/browser/media/android/media_resource_getter_impl.cc
index 70f6d9b62e3010ba56e2f40427b7064142ad1443..bcf293d9252df3a09edef9d806bf7ab944e58ee9 100644
--- a/content/browser/media/android/media_resource_getter_impl.cc
+++ b/content/browser/media/android/media_resource_getter_impl.cc
@@ -237,14 +237,14 @@ void MediaResourceGetterImpl::GetCookiesCallback(
 void MediaResourceGetterImpl::GetPlatformPathFromURL(
     const GURL& url, const GetPlatformPathCB& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  DCHECK(url.SchemeIsFileSystem() || url.SchemeIs(kBlobScheme));
+  DCHECK(url.SchemeIsFileSystem() || url.SchemeIs(url::kBlobScheme));
 
   GetPlatformPathCB cb =
       base::Bind(&MediaResourceGetterImpl::GetPlatformPathCallback,
                  weak_factory_.GetWeakPtr(),
                  callback);
 
-  if (url.SchemeIs(kBlobScheme)) {
+  if (url.SchemeIs(url::kBlobScheme)) {
     BrowserThread::PostTask(
         BrowserThread::IO,
         FROM_HERE,