Stricter user gestures for touch - measure and warn

third_party/WebKit/Source/core/html/AutoplayExperimentHelper.cpp

 // Copyright 2016 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 "core/html/AutoplayExperimentHelper.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/layout/LayoutBox.h"
@@ skipping 65 matching lines @@
     }
 }
 
 void AutoplayExperimentHelper::playMethodCalled()
 {
     // Set the pending state, even if the play isn't going to be pending.
     // Eligibility can change if, for example, the mute status changes.
     // Having this set is okay.
     m_playPending = true;
 
-    if (!UserGestureIndicator::processingUserGesture()) {
+    if (!UserGestureIndicator::utilizeUserGesture()) {
         autoplayMediaEncountered();
 
         if (isEligible()) {
             // Remember that userGestureRequiredForPlay is required for
             // us to be eligible for the experiment.
             // If we are able to override the gesture requirement now, then
             // do so.  Otherwise, install an event listener if we need one.
             if (meetsVisibilityRequirements()) {
                 // Override the gesture and assume that play() will succeed.
                 prepareToAutoplay(GesturelessPlaybackStartedByPlayMethodImmediately);
@@ skipping 17 matching lines @@
 
 void AutoplayExperimentHelper::pauseMethodCalled()
 {
     // Don't try to autoplay, if we would have.
     m_playPending = false;
     unregisterForPositionUpdatesIfNeeded();
 }
 
 void AutoplayExperimentHelper::loadMethodCalled()
 {
-    if (UserGestureIndicator::processingUserGesture() && isUserGestureRequiredForPlay()) {
+    if (isUserGestureRequiredForPlay() && UserGestureIndicator::utilizeUserGesture()) {
         recordAutoplayMetric(AutoplayEnabledThroughLoad);
         removeUserGestureRequirement(GesturelessPlaybackEnabledByLoad);
     }
 }
 
 void AutoplayExperimentHelper::mutedChanged()
 {
     // If we are no longer eligible for the autoplay experiment, then also
     // quit listening for events.  If we are eligible, and if we should be
     // playing, then start playing.  In other words, start playing if
@@ skipping 341 matching lines @@
     if (m_recordedElement)
         return;
 
     m_recordedElement = true;
     recordAutoplayMetric(client().isHTMLVideoElement()
         ? AnyVideoElement
         : AnyAudioElement);
 }
 
 } // namespace blink