[Android] Use the platform SwipeRefreshLayout

content/browser/android/overscroll_refresh_unittest.cc

 // Copyright 2014 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 "cc/layers/layer.h"
 #include "content/browser/android/overscroll_refresh.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "ui/android/resources/resource_manager.h"
 
 namespace content {
 
-class OverscrollRefreshTest : public OverscrollRefreshClient,
-                              public ui::ResourceManager,
+class OverscrollRefreshTest : public OverscrollRefreshHandler,
                               public testing::Test {
  public:
-  OverscrollRefreshTest()
-      : refresh_triggered_(false), still_refreshing_(false) {}
-
-  // OverscrollRefreshClient implementation.
-  void TriggerRefresh() override {
-    refresh_triggered_ = true;
-    still_refreshing_ = true;
-  }
-
-  bool IsStillRefreshing() const override { return still_refreshing_; }
-
-  // ResourceManager implementation.
-  base::android::ScopedJavaLocalRef<jobject> GetJavaObject() override {
-    return base::android::ScopedJavaLocalRef<jobject>();
-  }
-
-  Resource* GetResource(ui::AndroidResourceType res_type, int res_id) override {
-    return nullptr;
-  }
-
-  void PreloadResource(ui::AndroidResourceType res_type, int res_id) override {}
-
-  bool GetAndResetRefreshTriggered() {
-    bool triggered = refresh_triggered_;
-    refresh_triggered_ = false;
-    return triggered;
-  }
-
-  void PullBeyondActivationThreshold(OverscrollRefresh* effect) {
-    for (int i = 0; i < OverscrollRefresh::kMinPullsToActivate; ++i)
-      EXPECT_TRUE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 100)));
-  }
-
- protected:
-
-  scoped_ptr<OverscrollRefresh> CreateEffect() {
-    const float kDragTargetPixels = 100;
-    const bool kMirror = false;
-    scoped_ptr<OverscrollRefresh> effect(
-        new OverscrollRefresh(this, this, kDragTargetPixels, kMirror));
-
-    const gfx::SizeF kViewportSize(512, 512);
-    const gfx::Vector2dF kScrollOffset;
-    const bool kOverflowYHidden = false;
-    effect->UpdateDisplay(kViewportSize, kScrollOffset, kOverflowYHidden);
-
-    return effect.Pass();
-  }
-
-  void SignalRefreshCompleted() { still_refreshing_ = false; }
+  OverscrollRefreshTest() {}
+
+  // OverscrollRefreshHandler implementation.
+  bool PullStart() override {
+    started_ = true;
+    return true;
+  }
+
+  void PullUpdate(float delta) override { delta_ += delta; }
+
+  void PullRelease(bool allow_refresh) override {
+    released_ = true;
+    refresh_allowed_ = allow_refresh;
+  }
+
+  void PullReset() override { reset_ = true; }
+
+  bool GetAndResetPullStarted() {
+    bool result = started_;
+    started_ = false;
+    return result;
+  }
+
+  float GetAndResetPullDelta() {
+    float result = delta_;
+    delta_ = 0;
+    return result;
+  }
+
+  bool GetAndResetPullReleased() {
+    bool result = released_;
+    released_ = false;
+    return result;
+  }
+
+  bool GetAndResetRefreshAllowed() {
+    bool result = refresh_allowed_;
+    refresh_allowed_ = false;
+    return result;
+  }
+
+  bool GetAndResetPullReset() {
+    bool result = reset_;
+    reset_ = false;
+    return result;
+  }
 
  private:
-  bool refresh_triggered_;
-  bool still_refreshing_;
+  float delta_ = 0;
+  bool started_ = false;
+  bool released_ = false;
+  bool reset_ = false;
+  bool refresh_allowed_ = false;
 };
 
 TEST_F(OverscrollRefreshTest, Basic) {
-  scoped_ptr<OverscrollRefresh> effect = CreateEffect();
-
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_FALSE(effect->IsAwaitingScrollUpdateAck());
-
-  effect->OnScrollBegin();
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_TRUE(effect->IsAwaitingScrollUpdateAck());
+  OverscrollRefresh effect(this);
+
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_FALSE(effect.IsAwaitingScrollUpdateAck());
+
+  effect.OnScrollBegin();
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_TRUE(effect.IsAwaitingScrollUpdateAck());
 
   // The initial scroll should not be consumed, as it should first be offered
   // to content.
   gfx::Vector2dF scroll_up(0, 10);
-  EXPECT_FALSE(effect->WillHandleScrollUpdate(scroll_up));
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_TRUE(effect->IsAwaitingScrollUpdateAck());
-
-  // The unconsumed, overscrolling scroll will trigger the effect->
-  effect->OnScrollUpdateAck(false);
-  EXPECT_TRUE(effect->IsActive());
-  EXPECT_FALSE(effect->IsAwaitingScrollUpdateAck());
+  EXPECT_FALSE(effect.WillHandleScrollUpdate(scroll_up));
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_TRUE(effect.IsAwaitingScrollUpdateAck());
+
+  // The unconsumed, overscrolling scroll will trigger the effect.
+  effect.OnScrollUpdateAck(false);
+  EXPECT_TRUE(effect.IsActive());
+  EXPECT_FALSE(effect.IsAwaitingScrollUpdateAck());
+  EXPECT_TRUE(GetAndResetPullStarted());
 
   // Further scrolls will be consumed.
-  EXPECT_TRUE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 50)));
-  EXPECT_TRUE(effect->IsActive());
+  EXPECT_TRUE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 50)));
+  EXPECT_EQ(50.f, GetAndResetPullDelta());
+  EXPECT_TRUE(effect.IsActive());
 
   // Even scrolls in the down direction should be consumed.
-  EXPECT_TRUE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, -50)));
-  EXPECT_TRUE(effect->IsActive());
-
-  // Feed enough scrolls to the effect to exceeds the threshold.
-  PullBeyondActivationThreshold(effect.get());
-  EXPECT_TRUE(effect->IsActive());
+  EXPECT_TRUE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, -50)));
+  EXPECT_EQ(-50.f, GetAndResetPullDelta());
+  EXPECT_TRUE(effect.IsActive());
 
   // Ending the scroll while beyond the threshold should trigger a refresh.
   gfx::Vector2dF zero_velocity;
-  EXPECT_FALSE(GetAndResetRefreshTriggered());
-  effect->OnScrollEnd(zero_velocity);
-  EXPECT_TRUE(effect->IsActive());
-  EXPECT_TRUE(GetAndResetRefreshTriggered());
-  SignalRefreshCompleted();
-
-  // Ensure animation doesn't explode.
-  base::TimeTicks initial_time = base::TimeTicks::Now();
-  base::TimeTicks current_time = initial_time;
-  scoped_refptr<cc::Layer> layer = cc::Layer::Create();
-  while (effect->Animate(current_time, layer.get()))
-    current_time += base::TimeDelta::FromMilliseconds(16);
-
-  // The effect should terminate in a timely fashion.
-  EXPECT_GT(current_time.ToInternalValue(), initial_time.ToInternalValue());
-  EXPECT_LE(
-      current_time.ToInternalValue(),
-      (initial_time + base::TimeDelta::FromSeconds(10)).ToInternalValue());
-  EXPECT_FALSE(effect->IsActive());
-}
-
-TEST_F(OverscrollRefreshTest, AnimationTerminatesEvenIfRefreshNeverTerminates) {
-  scoped_ptr<OverscrollRefresh> effect = CreateEffect();
-  effect->OnScrollBegin();
-  ASSERT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
-  ASSERT_TRUE(effect->IsAwaitingScrollUpdateAck());
-  effect->OnScrollUpdateAck(false);
-  ASSERT_TRUE(effect->IsActive());
-  PullBeyondActivationThreshold(effect.get());
-  ASSERT_TRUE(effect->IsActive());
-  effect->OnScrollEnd(gfx::Vector2dF(0, 0));
-  ASSERT_TRUE(GetAndResetRefreshTriggered());
-
-  // Verify that the animation terminates even if the triggered refresh
-  // action never terminates (i.e., |still_refreshing_| is always true).
-  base::TimeTicks initial_time = base::TimeTicks::Now();
-  base::TimeTicks current_time = initial_time;
-  scoped_refptr<cc::Layer> layer = cc::Layer::Create();
-  while (effect->Animate(current_time, layer.get()))
-    current_time += base::TimeDelta::FromMilliseconds(16);
-
-  EXPECT_GT(current_time.ToInternalValue(), initial_time.ToInternalValue());
-  EXPECT_LE(
-      current_time.ToInternalValue(),
-      (initial_time + base::TimeDelta::FromSeconds(10)).ToInternalValue());
-  EXPECT_FALSE(effect->IsActive());
-}
-
-TEST_F(OverscrollRefreshTest, NotTriggeredIfBelowThreshold) {
-  scoped_ptr<OverscrollRefresh> effect = CreateEffect();
-  effect->OnScrollBegin();
-  ASSERT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
-  ASSERT_TRUE(effect->IsAwaitingScrollUpdateAck());
-  effect->OnScrollUpdateAck(false);
-  ASSERT_TRUE(effect->IsActive());
-
-  // Terminating the pull before it exceeds the threshold will prevent refresh.
-  EXPECT_TRUE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
-  effect->OnScrollEnd(gfx::Vector2dF());
-  EXPECT_FALSE(GetAndResetRefreshTriggered());
+  EXPECT_FALSE(GetAndResetPullReleased());
+  effect.OnScrollEnd(zero_velocity);
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_TRUE(GetAndResetPullReleased());
+  EXPECT_TRUE(GetAndResetRefreshAllowed());
 }
 
 TEST_F(OverscrollRefreshTest, NotTriggeredIfInitialYOffsetIsNotZero) {
-  scoped_ptr<OverscrollRefresh> effect = CreateEffect();
+  OverscrollRefresh effect(this);
 
   // A positive y scroll offset at the start of scroll will prevent activation,
   // even if the subsequent scroll overscrolls upward.
-  gfx::SizeF viewport_size(512, 512);
   gfx::Vector2dF nonzero_offset(0, 10);
   bool overflow_y_hidden = false;
-  effect->UpdateDisplay(viewport_size, nonzero_offset, overflow_y_hidden);
-  effect->OnScrollBegin();
-
-  ASSERT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_FALSE(effect->IsAwaitingScrollUpdateAck());
-  effect->OnScrollUpdateAck(false);
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_FALSE(effect->IsAwaitingScrollUpdateAck());
-  EXPECT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
-  effect->OnScrollEnd(gfx::Vector2dF());
-  EXPECT_FALSE(GetAndResetRefreshTriggered());
+  effect.OnFrameUpdated(nonzero_offset, overflow_y_hidden);
+  effect.OnScrollBegin();
+
+  effect.OnFrameUpdated(gfx::Vector2dF(), overflow_y_hidden);
+  ASSERT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_FALSE(effect.IsAwaitingScrollUpdateAck());
+  effect.OnScrollUpdateAck(false);
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_FALSE(effect.IsAwaitingScrollUpdateAck());
+  EXPECT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
+  effect.OnScrollEnd(gfx::Vector2dF());
+  EXPECT_FALSE(GetAndResetPullStarted());
+  EXPECT_FALSE(GetAndResetPullReleased());
 }
 
 TEST_F(OverscrollRefreshTest, NotTriggeredIfOverflowYHidden) {
-  scoped_ptr<OverscrollRefresh> effect = CreateEffect();
-
-  // "overflow-y: hidden" on the root layer will prevent activation,
-  // even if the subsequent scroll overscrolls upward.
-  gfx::SizeF viewport_size(512, 512);
+  OverscrollRefresh effect(this);
+
+  // overflow-y:hidden at the start of scroll will prevent activation.
   gfx::Vector2dF zero_offset;
   bool overflow_y_hidden = true;
-  effect->UpdateDisplay(viewport_size, zero_offset, overflow_y_hidden);
-  effect->OnScrollBegin();
-  ASSERT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_FALSE(effect->IsAwaitingScrollUpdateAck());
-  effect->OnScrollUpdateAck(false);
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_FALSE(effect->IsAwaitingScrollUpdateAck());
-  EXPECT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
-  effect->OnScrollEnd(gfx::Vector2dF());
-  EXPECT_FALSE(GetAndResetRefreshTriggered());
+  effect.OnFrameUpdated(zero_offset, overflow_y_hidden);
+  effect.OnScrollBegin();
+
+  ASSERT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_FALSE(effect.IsAwaitingScrollUpdateAck());
+  effect.OnScrollUpdateAck(false);
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_FALSE(effect.IsAwaitingScrollUpdateAck());
+  EXPECT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
+  effect.OnScrollEnd(gfx::Vector2dF());
+  EXPECT_FALSE(GetAndResetPullStarted());
+  EXPECT_FALSE(GetAndResetPullReleased());
 }
 
 TEST_F(OverscrollRefreshTest, NotTriggeredIfInitialScrollDownward) {
-  scoped_ptr<OverscrollRefresh> effect = CreateEffect();
-  effect->OnScrollBegin();
+  OverscrollRefresh effect(this);
+  effect.OnScrollBegin();
 
   // A downward initial scroll will prevent activation, even if the subsequent
   // scroll overscrolls upward.
-  ASSERT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, -10)));
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_FALSE(effect->IsAwaitingScrollUpdateAck());
-
-  effect->OnScrollUpdateAck(false);
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_FALSE(effect->IsAwaitingScrollUpdateAck());
-  EXPECT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
-  effect->OnScrollEnd(gfx::Vector2dF());
-  EXPECT_FALSE(GetAndResetRefreshTriggered());
+  ASSERT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, -10)));
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_FALSE(effect.IsAwaitingScrollUpdateAck());
+
+  effect.OnScrollUpdateAck(false);
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_FALSE(effect.IsAwaitingScrollUpdateAck());
+  EXPECT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
+  effect.OnScrollEnd(gfx::Vector2dF());
+  EXPECT_FALSE(GetAndResetPullReleased());
 }
 
 TEST_F(OverscrollRefreshTest, NotTriggeredIfInitialScrollOrTouchConsumed) {
-  scoped_ptr<OverscrollRefresh> effect = CreateEffect();
-  effect->OnScrollBegin();
-  ASSERT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
-  ASSERT_TRUE(effect->IsAwaitingScrollUpdateAck());
+  OverscrollRefresh effect(this);
+  effect.OnScrollBegin();
+  ASSERT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
+  ASSERT_TRUE(effect.IsAwaitingScrollUpdateAck());
 
   // Consumption of the initial touchmove or scroll should prevent future
   // activation.
-  effect->OnScrollUpdateAck(true);
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_FALSE(effect->IsAwaitingScrollUpdateAck());
-  EXPECT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
-  effect->OnScrollUpdateAck(false);
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_FALSE(effect->IsAwaitingScrollUpdateAck());
-  EXPECT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
-  effect->OnScrollEnd(gfx::Vector2dF());
-  EXPECT_FALSE(GetAndResetRefreshTriggered());
-}
-
-TEST_F(OverscrollRefreshTest, NotTriggeredIfInitialScrollsJanked) {
-  scoped_ptr<OverscrollRefresh> effect = CreateEffect();
-  effect->OnScrollBegin();
-  ASSERT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
-  ASSERT_TRUE(effect->IsAwaitingScrollUpdateAck());
-  effect->OnScrollUpdateAck(false);
-  ASSERT_TRUE(effect->IsActive());
-
-  // It should take more than just one or two large scrolls to trigger,
-  // mitigating likelihood of jank triggering the effect->
-  EXPECT_TRUE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
-  EXPECT_TRUE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
-  effect->OnScrollEnd(gfx::Vector2dF());
-  EXPECT_FALSE(GetAndResetRefreshTriggered());
+  effect.OnScrollUpdateAck(true);
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_FALSE(effect.IsAwaitingScrollUpdateAck());
+  EXPECT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
+  effect.OnScrollUpdateAck(false);
+  EXPECT_FALSE(effect.IsActive());
+  EXPECT_FALSE(effect.IsAwaitingScrollUpdateAck());
+  EXPECT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 500)));
+  effect.OnScrollEnd(gfx::Vector2dF());
+  EXPECT_FALSE(GetAndResetPullStarted());
+  EXPECT_FALSE(GetAndResetPullReleased());
 }
 
 TEST_F(OverscrollRefreshTest, NotTriggeredIfFlungDownward) {
-  scoped_ptr<OverscrollRefresh> effect = CreateEffect();
-  effect->OnScrollBegin();
-  ASSERT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
-  ASSERT_TRUE(effect->IsAwaitingScrollUpdateAck());
-  effect->OnScrollUpdateAck(false);
-  ASSERT_TRUE(effect->IsActive());
-
-  // Ensure the pull exceeds the necessary threshold.
-  PullBeyondActivationThreshold(effect.get());
-  ASSERT_TRUE(effect->IsActive());
+  OverscrollRefresh effect(this);
+  effect.OnScrollBegin();
+  ASSERT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
+  ASSERT_TRUE(effect.IsAwaitingScrollUpdateAck());
+  effect.OnScrollUpdateAck(false);
+  ASSERT_TRUE(effect.IsActive());
+  EXPECT_TRUE(GetAndResetPullStarted());
 
   // Terminating the pull with a down-directed fling should prevent triggering.
-  effect->OnScrollEnd(gfx::Vector2dF(0, -1000));
-  EXPECT_FALSE(GetAndResetRefreshTriggered());
+  effect.OnScrollEnd(gfx::Vector2dF(0, -1000));
+  EXPECT_TRUE(GetAndResetPullReleased());
+  EXPECT_FALSE(GetAndResetRefreshAllowed());
 }
 
 TEST_F(OverscrollRefreshTest, NotTriggeredIfReleasedWithoutActivation) {
-  scoped_ptr<OverscrollRefresh> effect = CreateEffect();
-  effect->OnScrollBegin();
-  ASSERT_FALSE(effect->WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
-  ASSERT_TRUE(effect->IsAwaitingScrollUpdateAck());
-  effect->OnScrollUpdateAck(false);
-  ASSERT_TRUE(effect->IsActive());
-
-  // Ensure the pull exceeds the necessary threshold.
-  PullBeyondActivationThreshold(effect.get());
-  ASSERT_TRUE(effect->IsActive());
+  OverscrollRefresh effect(this);
+  effect.OnScrollBegin();
+  ASSERT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
+  ASSERT_TRUE(effect.IsAwaitingScrollUpdateAck());
+  effect.OnScrollUpdateAck(false);
+  ASSERT_TRUE(effect.IsActive());
+  EXPECT_TRUE(GetAndResetPullStarted());
 
   // An early release should prevent the refresh action from firing.
-  effect->ReleaseWithoutActivation();
-  effect->OnScrollEnd(gfx::Vector2dF());
-  EXPECT_FALSE(GetAndResetRefreshTriggered());
-
-  // The early release should trigger a dismissal animation.
-  EXPECT_TRUE(effect->IsActive());
-  base::TimeTicks initial_time = base::TimeTicks::Now();
-  base::TimeTicks current_time = initial_time;
-  scoped_refptr<cc::Layer> layer = cc::Layer::Create();
-  while (effect->Animate(current_time, layer.get()))
-    current_time += base::TimeDelta::FromMilliseconds(16);
-
-  EXPECT_GT(current_time.ToInternalValue(), initial_time.ToInternalValue());
-  EXPECT_FALSE(effect->IsActive());
-  EXPECT_FALSE(GetAndResetRefreshTriggered());
+  effect.ReleaseWithoutActivation();
+  effect.OnScrollEnd(gfx::Vector2dF());
+  EXPECT_TRUE(GetAndResetPullReleased());
+  EXPECT_FALSE(GetAndResetRefreshAllowed());
+}
+
+TEST_F(OverscrollRefreshTest, NotTriggeredIfReset) {
+  OverscrollRefresh effect(this);
+  effect.OnScrollBegin();
+  ASSERT_FALSE(effect.WillHandleScrollUpdate(gfx::Vector2dF(0, 10)));
+  ASSERT_TRUE(effect.IsAwaitingScrollUpdateAck());
+  effect.OnScrollUpdateAck(false);
+  ASSERT_TRUE(effect.IsActive());
+  EXPECT_TRUE(GetAndResetPullStarted());
+
+  // An early reset should prevent the refresh action from firing.
+  effect.Reset();
+  EXPECT_TRUE(GetAndResetPullReset());
+  effect.OnScrollEnd(gfx::Vector2dF());
+  EXPECT_FALSE(GetAndResetPullReleased());
 }
 
 }  // namespace content