Minimize PowerSaveBlocker usage during uploading data.

content/browser/loader/resource_dispatcher_host_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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 
 #include <set>
 #include <vector>
@@ skipping 1035 matching lines @@
                                 filter_->appcache_service(),
                                 request_data.resource_type,
                                 child_id,
                                 route_id,
                                 is_continuation_of_transferred_request,
                                 &throttles);
   }
 
   if (request->has_upload()) {
     // Block power save while uploading data.
-    throttles.push_back(new PowerSaveBlockResourceThrottle("Uploading data."));
+    throttles.push_back(new PowerSaveBlockResourceThrottle());
   }
 
   if (request_data.resource_type == ResourceType::MAIN_FRAME) {
     throttles.insert(
         throttles.begin(),
         new TransferNavigationResourceThrottle(request));
   }
 
   if (!throttles.empty()) {
     handler.reset(
@@ skipping 665 matching lines @@
 
   return i->second.get();
 }
 
 ResourceLoader* ResourceDispatcherHostImpl::GetLoader(int child_id,
                                                       int request_id) const {
   return GetLoader(GlobalRequestID(child_id, request_id));
 }
 
 }  // namespace content