Index: components/page_load_metrics/renderer/metrics_render_frame_observer.cc |
diff --git a/components/page_load_metrics/renderer/metrics_render_frame_observer.cc b/components/page_load_metrics/renderer/metrics_render_frame_observer.cc |
deleted file mode 100644 |
index 9f923939a8ec3771b32f722a652a8ae35f7a4dcb..0000000000000000000000000000000000000000 |
--- a/components/page_load_metrics/renderer/metrics_render_frame_observer.cc |
+++ /dev/null |
@@ -1,171 +0,0 @@ |
-// Copyright 2015 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 "components/page_load_metrics/renderer/metrics_render_frame_observer.h" |
- |
-#include <string> |
- |
-#include "base/memory/ptr_util.h" |
-#include "base/time/time.h" |
-#include "base/timer/timer.h" |
-#include "components/page_load_metrics/renderer/page_timing_metrics_sender.h" |
-#include "content/public/renderer/render_frame.h" |
-#include "third_party/WebKit/public/platform/WebURLResponse.h" |
-#include "third_party/WebKit/public/web/WebDataSource.h" |
-#include "third_party/WebKit/public/web/WebDocument.h" |
-#include "third_party/WebKit/public/web/WebLocalFrame.h" |
-#include "third_party/WebKit/public/web/WebPerformance.h" |
-#include "url/gurl.h" |
- |
-namespace page_load_metrics { |
- |
-namespace { |
- |
-base::TimeDelta ClampDelta(double event, double start) { |
- if (event - start < 0) |
- event = start; |
- return base::Time::FromDoubleT(event) - base::Time::FromDoubleT(start); |
-} |
- |
-} // namespace |
- |
-MetricsRenderFrameObserver::MetricsRenderFrameObserver( |
- content::RenderFrame* render_frame) |
- : content::RenderFrameObserver(render_frame) {} |
- |
-MetricsRenderFrameObserver::~MetricsRenderFrameObserver() {} |
- |
-void MetricsRenderFrameObserver::DidChangePerformanceTiming() { |
- SendMetrics(); |
-} |
- |
-void MetricsRenderFrameObserver::DidObserveLoadingBehavior( |
- blink::WebLoadingBehaviorFlag behavior) { |
- if (page_timing_metrics_sender_) |
- page_timing_metrics_sender_->DidObserveLoadingBehavior(behavior); |
-} |
- |
-void MetricsRenderFrameObserver::DidCommitProvisionalLoad( |
- bool is_new_navigation, |
- bool is_same_page_navigation) { |
- // Same-page navigations (e.g. an in-document navigation from a fragment |
- // link) aren't full page loads, since they don't go to network to load the |
- // main HTML resource. DidStartProvisionalLoad doesn't get invoked for same |
- // page navigations, so we may still have an active |
- // page_timing_metrics_sender_ at this point. |
- if (is_same_page_navigation) |
- return; |
- |
- // Make sure to release the sender for a previous navigation, if we have one. |
- page_timing_metrics_sender_.reset(); |
- |
- // We only create a PageTimingMetricsSender if the page meets the criteria for |
- // sending and recording metrics. Once page_timing_metrics_sender_ is |
- // non-null, we will send metrics for the current page at some later time, as |
- // those metrics become available. |
- if (ShouldSendMetrics()) { |
- PageLoadTiming timing(GetTiming()); |
- DCHECK(!timing.navigation_start.is_null()); |
- page_timing_metrics_sender_.reset( |
- new PageTimingMetricsSender(this, routing_id(), CreateTimer(), timing)); |
- } |
-} |
- |
-void MetricsRenderFrameObserver::SendMetrics() { |
- if (!page_timing_metrics_sender_) |
- return; |
- if (HasNoRenderFrame()) |
- return; |
- PageLoadTiming timing(GetTiming()); |
- page_timing_metrics_sender_->Send(timing); |
-} |
- |
-bool MetricsRenderFrameObserver::ShouldSendMetrics() const { |
- if (HasNoRenderFrame()) |
- return false; |
- const blink::WebLocalFrame* frame = render_frame()->GetWebFrame(); |
- // We only generate historgrams for main frames. |
- if (frame->parent()) |
- return false; |
- |
- const blink::WebDocument& document = frame->document(); |
- // Ignore non-HTTP schemes (e.g. chrome://). |
- const GURL& url = document.url(); |
- if (!url.SchemeIsHTTPOrHTTPS()) |
- return false; |
- |
- const blink::WebURLResponse& url_response = frame->dataSource()->response(); |
- |
- // Ignore non-HTML documents (e.g. SVG). Note that images are treated by |
- // Blink as HTML documents, so to exclude images, we must perform |
- // additional mime type checking below. |
- if (!document.isHTMLDocument() && !document.isXHTMLDocument()) |
- return false; |
- |
- // Ignore non-HTML mime types (e.g. images). |
- std::string mime_type = url_response.mimeType().utf8(); |
- if (mime_type != "text/html" && mime_type != "application/xhtml+xml") |
- return false; |
- |
- return true; |
-} |
- |
-PageLoadTiming MetricsRenderFrameObserver::GetTiming() const { |
- const blink::WebPerformance& perf = |
- render_frame()->GetWebFrame()->performance(); |
- |
- PageLoadTiming timing; |
- double start = perf.navigationStart(); |
- timing.navigation_start = base::Time::FromDoubleT(start); |
- if (perf.responseStart() > 0.0) |
- timing.response_start = ClampDelta(perf.responseStart(), start); |
- if (perf.domLoading() > 0.0) |
- timing.dom_loading = ClampDelta(perf.domLoading(), start); |
- if (perf.domContentLoadedEventStart() > 0.0) |
- timing.dom_content_loaded_event_start = |
- ClampDelta(perf.domContentLoadedEventStart(), start); |
- if (perf.loadEventStart() > 0.0) |
- timing.load_event_start = ClampDelta(perf.loadEventStart(), start); |
- if (perf.firstLayout() > 0.0) |
- timing.first_layout = ClampDelta(perf.firstLayout(), start); |
- if (perf.firstPaint() > 0.0) |
- timing.first_paint = ClampDelta(perf.firstPaint(), start); |
- if (perf.firstTextPaint() > 0.0) |
- timing.first_text_paint = ClampDelta(perf.firstTextPaint(), start); |
- if (perf.firstImagePaint() > 0.0) |
- timing.first_image_paint = ClampDelta(perf.firstImagePaint(), start); |
- if (perf.firstContentfulPaint() > 0.0) |
- timing.first_contentful_paint = |
- ClampDelta(perf.firstContentfulPaint(), start); |
- if (perf.parseStart() > 0.0) |
- timing.parse_start = ClampDelta(perf.parseStart(), start); |
- if (perf.parseStop() > 0.0) |
- timing.parse_stop = ClampDelta(perf.parseStop(), start); |
- if (timing.parse_start) { |
- // If we started parsing, record all parser durations such as the amount of |
- // time blocked on script load, even if those values are zero. |
- timing.parse_blocked_on_script_load_duration = |
- base::TimeDelta::FromSecondsD(perf.parseBlockedOnScriptLoadDuration()); |
- timing.parse_blocked_on_script_load_from_document_write_duration = |
- base::TimeDelta::FromSecondsD( |
- perf.parseBlockedOnScriptLoadFromDocumentWriteDuration()); |
- } |
- return timing; |
-} |
- |
-std::unique_ptr<base::Timer> MetricsRenderFrameObserver::CreateTimer() const { |
- return base::WrapUnique(new base::OneShotTimer); |
-} |
- |
-bool MetricsRenderFrameObserver::HasNoRenderFrame() const { |
- bool no_frame = !render_frame() || !render_frame()->GetWebFrame(); |
- DCHECK(!no_frame); |
- return no_frame; |
-} |
- |
-void MetricsRenderFrameObserver::OnDestruct() { |
- delete this; |
-} |
- |
-} // namespace page_load_metrics |