Get chrome:// dev tool urls hooked up in content_shell.

content/browser/resource_context_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/resource_context_impl.h"
 
 #include "base/logging.h"
 #include "content/browser/appcache/chrome_appcache_service.h"
 #include "content/browser/fileapi/browser_file_system_helper.h"
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
@@ skipping 105 matching lines @@
         const GURL& location,
         net::URLRequest* request) const OVERRIDE {
     return NULL;
   }
 
   virtual net::URLRequestJob* MaybeInterceptResponse(
       net::URLRequest* request) const OVERRIDE {
     return NULL;
   }
 
+  virtual bool WillHandleProtocol(const std::string& protocol) const {
+    return protocol == chrome::kChromeUIScheme;
+  }
+
  private:
   AppCacheService* appcache_service_;
   BlobStorageController* blob_storage_controller_;
 };
 
 void InitializeRequestContext(
     ResourceContext* resource_context,
     scoped_refptr<net::URLRequestContextGetter> context_getter) {
   if (!context_getter)
     return;  // tests.
@@ skipping 115 matching lines @@
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&InitializeRequestContext,
                    resource_context,
                    make_scoped_refptr(
                        browser_context->GetRequestContextForMedia())));
   }
 }
 
 }  // namespace content