Move some content url constants to /url.

content/browser/browser_url_handler_impl.cc

Index: content/browser/browser_url_handler_impl.cc
diff --git a/content/browser/browser_url_handler_impl.cc b/content/browser/browser_url_handler_impl.cc
index bbf24e38d752dc571dfc8e5643b999149dc47342..21793a17f36cbf40e93335c6a69c90a209c96ef1 100644
--- a/content/browser/browser_url_handler_impl.cc
+++ b/content/browser/browser_url_handler_impl.cc
@@ -24,13 +24,13 @@ static bool HandleViewSource(GURL* url, BrowserContext* browser_context) {
     // Bug 26129: limit view-source to view the content and not any
     // other kind of 'active' url scheme like 'javascript' or 'data'.
     static const char* const default_allowed_sub_schemes[] = {
-      kHttpScheme,
-      kHttpsScheme,
-      kFtpScheme,
-      kChromeDevToolsScheme,
-      kChromeUIScheme,
-      kFileScheme,
-      kFileSystemScheme
+        url::kHttpScheme,
+        url::kHttpsScheme,
+        kFtpScheme,
+        kChromeDevToolsScheme,
+        kChromeUIScheme,
+        kFileScheme,
+        kFileSystemScheme
     };
 
     // Merge all the schemes for which view-source is allowed by default, with