Support content scheme uri for Chrome on Android

net/url_request/file_protocol_handler.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 "net/url_request/file_protocol_handler.h"
 
 #include "base/logging.h"
 #include "base/task_runner.h"
 #include "net/base/filename_util.h"
 #include "net/base/net_errors.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_error_job.h"
 #include "net/url_request/url_request_file_dir_job.h"
 #include "net/url_request/url_request_file_job.h"
 
 namespace net {
 
 FileProtocolHandler::FileProtocolHandler(
     const scoped_refptr<base::TaskRunner>& file_task_runner)
     : file_task_runner_(file_task_runner) {}
 
 FileProtocolHandler::~FileProtocolHandler() {}
 
 URLRequestJob* FileProtocolHandler::MaybeCreateJob(
     URLRequest* request, NetworkDelegate* network_delegate) const {
+#if defined(OS_ANDROID)
+  if (request->url().SchemeIs("content")) {
+    return new URLRequestFileJob(
+        request, network_delegate, base::FilePath(request->url().spec()),

[palmer, 2014/11/19 00:23:54]

Will content://data/data/org.chromium.blah/foo/Profiles/Cookies work? I'm
concerned that content:// might be a way to bypass any safety checks applied to
file: URLs.

[qinmin, 2014/11/19 02:13:07]

no, android ContentResolver has it's own permission controls and it won't allow
chrome to access the data.

+        file_task_runner_);
+  }
+#endif
+
   base::FilePath file_path;
   const bool is_file = FileURLToFilePath(request->url(), &file_path);
 
   // Check file access permissions.
   if (!network_delegate ||
       !network_delegate->CanAccessFile(*request, file_path)) {
     return new URLRequestErrorJob(request, network_delegate, ERR_ACCESS_DENIED);
   }
 
   // We need to decide whether to create URLRequestFileJob for file access or
@@ skipping 12 matching lines @@
   // file names).
   return new URLRequestFileJob(request, network_delegate, file_path,
                                file_task_runner_);
 }
 
 bool FileProtocolHandler::IsSafeRedirectTarget(const GURL& location) const {
   return false;
 }
 
 }  // namespace net