Move Mime type handling to streamsPrivate API, so that it works on Desktop Chrome.

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.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 "chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/download/download_request_limiter.h"
 #include "chrome/browser/download/download_resource_throttle.h"
 #include "chrome/browser/download/download_util.h"
+#include "chrome/browser/extensions/api/streams_private/streams_resource_throttle.h"
 #include "chrome/browser/extensions/user_script_listener.h"
 #include "chrome/browser/external_protocol/external_protocol_handler.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/metrics/variations/variations_http_header_provider.h"
 #include "chrome/browser/net/load_timing_observer.h"
 #include "chrome/browser/net/resource_prefetch_predictor_observer.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/prerender/prerender_tracker.h"
 #include "chrome/browser/prerender/prerender_util.h"
 #include "chrome/browser/profiles/profile_io_data.h"
@@ skipping 26 matching lines @@
 #include <google/protobuf/repeated_field.h>
 #else
 #include "third_party/protobuf/src/google/protobuf/repeated_field.h"
 #endif
 
 #if defined(OS_ANDROID)
 #include "components/navigation_interception/intercept_navigation_delegate.h"
 #endif
 
 #if defined(OS_CHROMEOS)
-#include "chrome/browser/chromeos/extensions/file_browser_resource_throttle.h"
 #include "chrome/browser/chromeos/login/merge_session_throttle.h"
 // TODO(oshima): Enable this for other platforms.
 #include "chrome/browser/renderer_host/offline_resource_throttle.h"
 #endif
 
 using content::BrowserThread;
 using content::RenderViewHost;
 using content::ResourceDispatcherHostLoginDelegate;
 using content::ResourceRequestInfo;
 
@@ skipping 141 matching lines @@
     int request_id,
     bool is_content_initiated,
     bool must_download,
     ScopedVector<content::ResourceThrottle>* throttles) {
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&NotifyDownloadInitiatedOnUI, child_id, route_id));
 
   // If it's from the web, we don't trust it, so we push the throttle on.
   if (is_content_initiated) {
-#if defined(OS_CHROMEOS)
+#if !defined(OS_ANDROID)
     if (!must_download) {
       ProfileIOData* io_data =
           ProfileIOData::FromResourceContext(resource_context);
-      throttles->push_back(FileBrowserResourceThrottle::Create(
+      throttles->push_back(StreamsResourceThrottle::Create(
           child_id, route_id, request, io_data->is_incognito(),
           io_data->GetExtensionInfoMap()));
     }
-#endif  // defined(OS_CHROMEOS)
+#endif
 
     throttles->push_back(new DownloadResourceThrottle(
         download_request_limiter_, child_id, route_id, request_id,
         request->method()));
   }
 
   // If this isn't a new request, we've seen this before and added the standard
   //  resource throttles already so no need to add it again.
   if (!request->is_pending()) {
     AppendStandardResourceThrottles(request,
@@ skipping 209 matching lines @@
                                               info->GetChildID(),
                                               info->GetRouteID());
   AppendChromeSyncGaiaHeader(request, resource_context);
 #endif
 
   if (io_data->resource_prefetch_predictor_observer()) {
     io_data->resource_prefetch_predictor_observer()->OnRequestRedirected(
         redirect_url, request);
   }
 }