Cleanup: Move kChromeUIScheme constant into content namespace.

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 10a5c8838f47446d5209c5f1a543a881f7518b8a..4eaf1ec3d69dc9a70bc95c0a86ce250c05a269a8 100644
--- a/content/browser/browser_url_handler_impl.cc
+++ b/content/browser/browser_url_handler_impl.cc
@@ -24,9 +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,
-      chrome::kChromeDevToolsScheme, chrome::kChromeUIScheme,
-      kFileScheme, kFileSystemScheme
+      kHttpScheme,
+      kHttpsScheme,
+      kFtpScheme,
+      chrome::kChromeDevToolsScheme,
+      kChromeUIScheme,
+      kFileScheme,
+      kFileSystemScheme
     };
 
     // Merge all the schemes for which view-source is allowed by default, with