OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/browser/loader/resource_loader.h" | 5 #include "content/browser/loader/resource_loader.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/callback_helpers.h" | 9 #include "base/callback_helpers.h" |
10 #include "base/command_line.h" | 10 #include "base/command_line.h" |
(...skipping 628 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
639 } | 639 } |
640 } | 640 } |
641 | 641 |
642 void ResourceLoader::CompleteResponseStarted() { | 642 void ResourceLoader::CompleteResponseStarted() { |
643 ResourceRequestInfoImpl* info = GetRequestInfo(); | 643 ResourceRequestInfoImpl* info = GetRequestInfo(); |
644 scoped_refptr<ResourceResponse> response = new ResourceResponse(); | 644 scoped_refptr<ResourceResponse> response = new ResourceResponse(); |
645 PopulateResourceResponse(info, request_.get(), response.get()); | 645 PopulateResourceResponse(info, request_.get(), response.get()); |
646 | 646 |
647 delegate_->DidReceiveResponse(this, response.get()); | 647 delegate_->DidReceiveResponse(this, response.get()); |
648 | 648 |
| 649 // For back-forward navigations, record metrics. |
| 650 // TODO(clamy): Remove once we understand the root cause behind the regression |
| 651 // of PLT for b/f navigations in PlzNavigate. |
| 652 if ((info->GetPageTransition() & ui::PAGE_TRANSITION_FORWARD_BACK) && |
| 653 IsResourceTypeFrame(info->GetResourceType()) && |
| 654 !request_->url().SchemeIsBlob()) { |
| 655 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.WasCached", |
| 656 request_->was_cached()); |
| 657 } |
| 658 |
649 read_deferral_start_time_ = base::TimeTicks::Now(); | 659 read_deferral_start_time_ = base::TimeTicks::Now(); |
650 // Using a ScopedDeferral here would result in calling ReadMore(true) on sync | 660 // Using a ScopedDeferral here would result in calling ReadMore(true) on sync |
651 // success. Calling PrepareToReadMore(false) here instead allows small | 661 // success. Calling PrepareToReadMore(false) here instead allows small |
652 // responses to be handled completely synchronously, if no ResourceHandler | 662 // responses to be handled completely synchronously, if no ResourceHandler |
653 // defers handling of the response. | 663 // defers handling of the response. |
654 deferred_stage_ = DEFERRED_SYNC; | 664 deferred_stage_ = DEFERRED_SYNC; |
655 handler_->OnResponseStarted(response.get(), | 665 handler_->OnResponseStarted(response.get(), |
656 base::MakeUnique<Controller>(this)); | 666 base::MakeUnique<Controller>(this)); |
657 if (is_deferred()) { | 667 if (is_deferred()) { |
658 deferred_stage_ = DEFERRED_READ; | 668 deferred_stage_ = DEFERRED_READ; |
(...skipping 148 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
807 UMA_HISTOGRAM_ENUMERATION("Net.Prefetch.Pattern", prefetch_status, | 817 UMA_HISTOGRAM_ENUMERATION("Net.Prefetch.Pattern", prefetch_status, |
808 STATUS_MAX); | 818 STATUS_MAX); |
809 } | 819 } |
810 } else if (request_->response_info().unused_since_prefetch) { | 820 } else if (request_->response_info().unused_since_prefetch) { |
811 TimeDelta total_time = base::TimeTicks::Now() - request_->creation_time(); | 821 TimeDelta total_time = base::TimeTicks::Now() - request_->creation_time(); |
812 UMA_HISTOGRAM_TIMES("Net.Prefetch.TimeSpentOnPrefetchHit", total_time); | 822 UMA_HISTOGRAM_TIMES("Net.Prefetch.TimeSpentOnPrefetchHit", total_time); |
813 } | 823 } |
814 } | 824 } |
815 | 825 |
816 } // namespace content | 826 } // namespace content |
OLD | NEW |