It broke win aura bot

[ RUN      ] WindowTest.TransferCaptureTouchEvents
.\window_unittest.cc(700): error: Value of: d1.gesture_event_count()
  Actual: 2
Expected: 1
.\window_unittest.cc(710): error: Value of: d2.gesture_event_count()
  Actual: 2
Expected: 1
[  FAILED  ] WindowTest.TransferCaptureTouchEvents (0 ms)

Revert 140967 - Fix TAP_DOWN gesture event:
1. GESTURE_TAP_DOWN should be sent only on the first TOUCH_PRESSED.
2. New gesture GESTURE_BEGIN shuold be sent on all TOUCH_PRESSED.
3. Rename GESTURE_TAP_UP to GESTURE_END.

BUG=131007
TEST=manual


Review URL: https://chromiumcodereview.appspot.com/10533029

TBR=varunjain@chromium.org
Review URL: https://chromiumcodereview.appspot.com/10539041

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@140972 0039d316-1c4b-4281-b951-d872f2087c98

12 files changed, 36 insertions, 123 deletions

diff --git a/ash/wm/system_gesture_event_filter.cc b/ash/wm/system_gesture_event_filter.cc
index e7800fee..99945ea 100644
--- a/ash/wm/system_gesture_event_filter.cc
+++ b/ash/wm/system_gesture_event_filter.cc
@@ -260,7 +260,7 @@ class SystemPinchHandler {
       return SYSTEM_GESTURE_END;
 
     switch (event.type()) {
-      case ui::ET_GESTURE_END: {
+      case ui::ET_GESTURE_TAP_UP: {
         if (event.delta_x() > kSystemPinchPoints)
           break;
 
@@ -535,7 +535,7 @@ ui::GestureStatus SystemGestureEventFilter::PreHandleGestureEvent(
       ClearGestureHandlerForWindow(system_target);
     return ui::GESTURE_STATUS_CONSUMED;
   } else {
-    if (event->type() == ui::ET_GESTURE_BEGIN &&
+    if (event->type() == ui::ET_GESTURE_TAP_DOWN &&
         event->delta_x() >= kSystemPinchPoints) {
       pinch_handlers_[system_target] = new SystemPinchHandler(system_target);
       system_target->AddObserver(this);
diff --git a/content/browser/renderer_host/render_widget_host_view_win.cc b/content/browser/renderer_host/render_widget_host_view_win.cc
index 8e3d769..712064f 100644
--- a/content/browser/renderer_host/render_widget_host_view_win.cc
+++ b/content/browser/renderer_host/render_widget_host_view_win.cc
@@ -378,9 +378,7 @@ WebKit::WebInputEvent::Type ConvertToWebInputEvent(ui::EventType t) {
       return WebKit::WebGestureEvent::GesturePinchEnd;
     case ui::ET_GESTURE_PINCH_UPDATE:
       return WebKit::WebGestureEvent::GesturePinchUpdate;
-    case ui::ET_GESTURE_BEGIN:
-      return WebKit::WebGestureEvent::Undefined;
-    case ui::ET_GESTURE_END:
+    case ui::ET_GESTURE_TAP_UP:
       return WebKit::WebGestureEvent::Undefined;
     case ui::ET_GESTURE_MULTIFINGER_SWIPE:
       return WebKit::WebGestureEvent::Undefined;
diff --git a/content/browser/renderer_host/web_input_event_aurax11.cc b/content/browser/renderer_host/web_input_event_aurax11.cc
index d64fc0d..a103be1 100644
--- a/content/browser/renderer_host/web_input_event_aurax11.cc
+++ b/content/browser/renderer_host/web_input_event_aurax11.cc
@@ -368,8 +368,7 @@ WebKit::WebGestureEvent MakeWebGestureEventFromAuraEvent(
     case ui::ET_GESTURE_TWO_FINGER_TAP:
       gesture_event.type = WebKit::WebInputEvent::GestureTwoFingerTap;
       break;
-    case ui::ET_GESTURE_BEGIN:
-    case ui::ET_GESTURE_END:
+    case ui::ET_GESTURE_TAP_UP:
     case ui::ET_GESTURE_MULTIFINGER_SWIPE:
       break;
     default:
diff --git a/ui/aura/gestures/gesture_recognizer_unittest.cc b/ui/aura/gestures/gesture_recognizer_unittest.cc
index 2621d54..84ef01c 100644
--- a/ui/aura/gestures/gesture_recognizer_unittest.cc
+++ b/ui/aura/gestures/gesture_recognizer_unittest.cc
@@ -36,8 +36,7 @@ class GestureEventConsumeDelegate : public TestWindowDelegate {
   GestureEventConsumeDelegate()
       : tap_(false),
         tap_down_(false),
-        begin_(false),
-        end_(false),
+        tap_up_(false),
         double_tap_(false),
         scroll_begin_(false),
         scroll_update_(false),
@@ -61,8 +60,7 @@ class GestureEventConsumeDelegate : public TestWindowDelegate {
   void Reset() {
     tap_ = false;
     tap_down_ = false;
-    begin_ = false;
-    end_ = false;
+    tap_up_ = false;
     double_tap_ = false;
     scroll_begin_ = false;
     scroll_update_ = false;
@@ -87,8 +85,7 @@ class GestureEventConsumeDelegate : public TestWindowDelegate {
 
   bool tap() const { return tap_; }
   bool tap_down() const { return tap_down_; }
-  bool begin() const { return begin_; }
-  bool end() const { return end_; }
+  bool tap_up() const { return tap_up_; }
   bool double_tap() const { return double_tap_; }
   bool scroll_begin() const { return scroll_begin_; }
   bool scroll_update() const { return scroll_update_; }
@@ -127,11 +124,8 @@ class GestureEventConsumeDelegate : public TestWindowDelegate {
       case ui::ET_GESTURE_TAP_DOWN:
         tap_down_ = true;
         break;
-      case ui::ET_GESTURE_BEGIN:
-        begin_ = true;
-        break;
-      case ui::ET_GESTURE_END:
-        end_ = true;
+      case ui::ET_GESTURE_TAP_UP:
+        tap_up_ = true;
         break;
       case ui::ET_GESTURE_DOUBLE_TAP:
         double_tap_ = true;
@@ -179,8 +173,7 @@ class GestureEventConsumeDelegate : public TestWindowDelegate {
  private:
   bool tap_;
   bool tap_down_;
-  bool begin_;
-  bool end_;
+  bool tap_up_;
   bool double_tap_;
   bool scroll_begin_;
   bool scroll_update_;
@@ -410,7 +403,6 @@ TEST_F(GestureRecognizerTest, GestureEventTap) {
   root_window()->DispatchTouchEvent(&press);
   EXPECT_FALSE(delegate->tap());
   EXPECT_TRUE(delegate->tap_down());
-  EXPECT_TRUE(delegate->begin());
   EXPECT_FALSE(delegate->double_tap());
   EXPECT_FALSE(delegate->scroll_begin());
   EXPECT_FALSE(delegate->scroll_update());
@@ -427,8 +419,6 @@ TEST_F(GestureRecognizerTest, GestureEventTap) {
   root_window()->DispatchTouchEvent(&release);
   EXPECT_TRUE(delegate->tap());
   EXPECT_FALSE(delegate->tap_down());
-  EXPECT_FALSE(delegate->begin());
-  EXPECT_TRUE(delegate->end());
   EXPECT_FALSE(delegate->double_tap());
   EXPECT_FALSE(delegate->scroll_begin());
   EXPECT_FALSE(delegate->scroll_update());
@@ -457,7 +447,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&press);
      EXPECT_FALSE(delegate->tap());
      EXPECT_TRUE(delegate->tap_down());
-     EXPECT_TRUE(delegate->begin());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -476,8 +465,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&release);
      EXPECT_TRUE(delegate->tap());
      EXPECT_FALSE(delegate->tap_down());
-     EXPECT_FALSE(delegate->begin());
-     EXPECT_TRUE(delegate->end());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -500,7 +487,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&press);
      EXPECT_FALSE(delegate->tap());
      EXPECT_TRUE(delegate->tap_down());
-     EXPECT_TRUE(delegate->begin());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -517,8 +503,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&release);
      EXPECT_TRUE(delegate->tap());
      EXPECT_FALSE(delegate->tap_down());
-     EXPECT_FALSE(delegate->begin());
-     EXPECT_TRUE(delegate->end());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -541,7 +525,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&press);
      EXPECT_FALSE(delegate->tap());
      EXPECT_TRUE(delegate->tap_down());
-     EXPECT_TRUE(delegate->begin());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -557,7 +540,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&move);
      EXPECT_FALSE(delegate->tap());
      EXPECT_FALSE(delegate->tap_down());
-     EXPECT_FALSE(delegate->begin());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -574,8 +556,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&release);
      EXPECT_TRUE(delegate->tap());
      EXPECT_FALSE(delegate->tap_down());
-     EXPECT_FALSE(delegate->begin());
-     EXPECT_TRUE(delegate->end());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -598,7 +578,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&press);
      EXPECT_FALSE(delegate->tap());
      EXPECT_TRUE(delegate->tap_down());
-     EXPECT_TRUE(delegate->begin());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -614,7 +593,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&move);
      EXPECT_FALSE(delegate->tap());
      EXPECT_FALSE(delegate->tap_down());
-     EXPECT_FALSE(delegate->begin());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -630,7 +608,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&move1);
      EXPECT_FALSE(delegate->tap());
      EXPECT_FALSE(delegate->tap_down());
-     EXPECT_FALSE(delegate->begin());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -646,7 +623,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&move2);
      EXPECT_FALSE(delegate->tap());
      EXPECT_FALSE(delegate->tap_down());
-     EXPECT_FALSE(delegate->begin());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -663,8 +639,6 @@ TEST_F(GestureRecognizerTest, GestureEventTapRegion) {
      root_window()->DispatchTouchEvent(&release);
      EXPECT_TRUE(delegate->tap());
      EXPECT_FALSE(delegate->tap_down());
-     EXPECT_FALSE(delegate->begin());
-     EXPECT_TRUE(delegate->end());
      EXPECT_FALSE(delegate->double_tap());
      EXPECT_FALSE(delegate->scroll_begin());
      EXPECT_FALSE(delegate->scroll_update());
@@ -695,7 +669,6 @@ TEST_F(GestureRecognizerTest, GestureEventScroll) {
   root_window()->DispatchTouchEvent(&press);
   EXPECT_FALSE(delegate->tap());
   EXPECT_TRUE(delegate->tap_down());
-  EXPECT_TRUE(delegate->begin());
   EXPECT_FALSE(delegate->double_tap());
   EXPECT_FALSE(delegate->scroll_begin());
   EXPECT_FALSE(delegate->scroll_update());
@@ -708,7 +681,6 @@ TEST_F(GestureRecognizerTest, GestureEventScroll) {
   SendScrollEvent(root_window(), 130, 230, kTouchId, delegate.get());
   EXPECT_FALSE(delegate->tap());
   EXPECT_FALSE(delegate->tap_down());
-  EXPECT_FALSE(delegate->begin());
   EXPECT_FALSE(delegate->double_tap());
   EXPECT_TRUE(delegate->scroll_begin());
   EXPECT_TRUE(delegate->scroll_update());
@@ -722,7 +694,6 @@ TEST_F(GestureRecognizerTest, GestureEventScroll) {
   SendScrollEvent(root_window(), 110, 211, kTouchId, delegate.get());
   EXPECT_FALSE(delegate->tap());
   EXPECT_FALSE(delegate->tap_down());
-  EXPECT_FALSE(delegate->begin());
   EXPECT_FALSE(delegate->double_tap());
   EXPECT_FALSE(delegate->scroll_begin());
   EXPECT_TRUE(delegate->scroll_update());
@@ -733,7 +704,6 @@ TEST_F(GestureRecognizerTest, GestureEventScroll) {
   SendScrollEvent(root_window(), 140, 215, kTouchId, delegate.get());
   EXPECT_FALSE(delegate->tap());
   EXPECT_FALSE(delegate->tap_down());
-  EXPECT_FALSE(delegate->begin());
   EXPECT_FALSE(delegate->double_tap());
   EXPECT_FALSE(delegate->scroll_begin());
   EXPECT_TRUE(delegate->scroll_update());
@@ -749,8 +719,6 @@ TEST_F(GestureRecognizerTest, GestureEventScroll) {
   root_window()->DispatchTouchEvent(&release);
   EXPECT_FALSE(delegate->tap());
   EXPECT_FALSE(delegate->tap_down());
-  EXPECT_FALSE(delegate->begin());
-  EXPECT_TRUE(delegate->end());
   EXPECT_FALSE(delegate->double_tap());
   EXPECT_FALSE(delegate->scroll_begin());
   EXPECT_FALSE(delegate->scroll_update());
@@ -888,7 +856,6 @@ TEST_F(GestureRecognizerTest, GestureEventLongPress) {
                     kTouchId, GetTime());
   root_window()->DispatchTouchEvent(&press1);
   EXPECT_TRUE(delegate->tap_down());
-  EXPECT_TRUE(delegate->begin());
 
   // We haven't pressed long enough for a long press to occur
   EXPECT_FALSE(delegate->long_press());
@@ -972,7 +939,6 @@ TEST_F(GestureRecognizerTest, GestureEventLongPressCancelledBySecondTap) {
                    kTouchId1, GetTime());
   root_window()->DispatchTouchEvent(&press);
   EXPECT_TRUE(delegate->tap_down());
-  EXPECT_TRUE(delegate->begin());
 
   // We haven't pressed long enough for a long press to occur
   EXPECT_FALSE(delegate->long_press());
@@ -983,7 +949,6 @@ TEST_F(GestureRecognizerTest, GestureEventLongPressCancelledBySecondTap) {
                     kTouchId2, GetTime());
   root_window()->DispatchTouchEvent(&press2);
   EXPECT_FALSE(delegate->tap_down());  // no touch down for second tap.
-  EXPECT_TRUE(delegate->begin());
 
   // Wait until the timer runs out
   gesture_sequence->ForceTimeout();
@@ -1247,7 +1212,6 @@ TEST_F(GestureRecognizerTest, AsynchronousGestureRecognition) {
   root_window()->DispatchTouchEvent(&press);
   EXPECT_FALSE(queued_delegate->tap());
   EXPECT_FALSE(queued_delegate->tap_down());
-  EXPECT_FALSE(queued_delegate->begin());
   EXPECT_FALSE(queued_delegate->double_tap());
   EXPECT_FALSE(queued_delegate->scroll_begin());
   EXPECT_FALSE(queued_delegate->scroll_update());
@@ -1262,8 +1226,6 @@ TEST_F(GestureRecognizerTest, AsynchronousGestureRecognition) {
   root_window()->DispatchTouchEvent(&release);
   EXPECT_FALSE(queued_delegate->tap());
   EXPECT_FALSE(queued_delegate->tap_down());
-  EXPECT_FALSE(queued_delegate->begin());
-  EXPECT_FALSE(queued_delegate->end());
   EXPECT_FALSE(queued_delegate->double_tap());
   EXPECT_FALSE(queued_delegate->scroll_begin());
   EXPECT_FALSE(queued_delegate->scroll_update());
@@ -1281,8 +1243,6 @@ TEST_F(GestureRecognizerTest, AsynchronousGestureRecognition) {
   root_window()->DispatchTouchEvent(&press2);
   EXPECT_FALSE(delegate->tap());
   EXPECT_TRUE(delegate->tap_down());
-  EXPECT_FALSE(queued_delegate->begin());
-  EXPECT_FALSE(queued_delegate->end());
   EXPECT_FALSE(delegate->double_tap());
   EXPECT_FALSE(delegate->scroll_begin());
   EXPECT_FALSE(delegate->scroll_update());
@@ -1297,8 +1257,6 @@ TEST_F(GestureRecognizerTest, AsynchronousGestureRecognition) {
   queued_delegate->ReceivedAck();
   EXPECT_FALSE(queued_delegate->tap());
   EXPECT_TRUE(queued_delegate->tap_down());
-  EXPECT_TRUE(queued_delegate->begin());
-  EXPECT_FALSE(queued_delegate->end());
   EXPECT_FALSE(queued_delegate->double_tap());
   EXPECT_FALSE(queued_delegate->scroll_begin());
   EXPECT_FALSE(queued_delegate->scroll_update());
@@ -1309,8 +1267,6 @@ TEST_F(GestureRecognizerTest, AsynchronousGestureRecognition) {
   queued_delegate->ReceivedAck();
   EXPECT_TRUE(queued_delegate->tap());
   EXPECT_FALSE(queued_delegate->tap_down());
-  EXPECT_FALSE(queued_delegate->begin());
-  EXPECT_TRUE(queued_delegate->end());
   EXPECT_FALSE(queued_delegate->double_tap());
   EXPECT_FALSE(queued_delegate->scroll_begin());
   EXPECT_FALSE(queued_delegate->scroll_update());
@@ -1324,10 +1280,6 @@ TEST_F(GestureRecognizerTest, AsynchronousGestureRecognition) {
   root_window()->DispatchTouchEvent(&press3);
   EXPECT_FALSE(queued_delegate->tap());
   EXPECT_FALSE(queued_delegate->tap_down());
-  EXPECT_FALSE(queued_delegate->begin());
-  EXPECT_FALSE(queued_delegate->end());
-  EXPECT_FALSE(queued_delegate->begin());
-  EXPECT_FALSE(queued_delegate->end());
   EXPECT_FALSE(queued_delegate->double_tap());
   EXPECT_FALSE(queued_delegate->scroll_begin());
   EXPECT_FALSE(queued_delegate->scroll_update());
@@ -1340,16 +1292,12 @@ TEST_F(GestureRecognizerTest, AsynchronousGestureRecognition) {
   root_window()->DispatchTouchEvent(&press4);
   EXPECT_FALSE(delegate->tap());
   EXPECT_FALSE(delegate->tap_down());
-  EXPECT_FALSE(delegate->begin());
-  EXPECT_FALSE(delegate->end());
   EXPECT_FALSE(delegate->double_tap());
   EXPECT_FALSE(delegate->scroll_begin());
   EXPECT_FALSE(delegate->scroll_update());
   EXPECT_FALSE(delegate->scroll_end());
   EXPECT_FALSE(queued_delegate->tap());
   EXPECT_FALSE(queued_delegate->tap_down());
-  EXPECT_FALSE(queued_delegate->begin());
-  EXPECT_FALSE(queued_delegate->end());
   EXPECT_FALSE(queued_delegate->double_tap());
   EXPECT_FALSE(queued_delegate->scroll_begin());
   EXPECT_FALSE(queued_delegate->scroll_update());
@@ -1365,14 +1313,12 @@ TEST_F(GestureRecognizerTest, AsynchronousGestureRecognition) {
   root_window()->DispatchTouchEvent(&move);
   EXPECT_FALSE(delegate->tap());
   EXPECT_FALSE(delegate->tap_down());
-  EXPECT_FALSE(delegate->begin());
   EXPECT_FALSE(delegate->double_tap());
   EXPECT_FALSE(delegate->scroll_begin());
   EXPECT_FALSE(delegate->scroll_update());
   EXPECT_FALSE(delegate->scroll_end());
   EXPECT_FALSE(queued_delegate->tap());
   EXPECT_FALSE(queued_delegate->tap_down());
-  EXPECT_FALSE(queued_delegate->begin());
   EXPECT_FALSE(queued_delegate->double_tap());
   EXPECT_FALSE(queued_delegate->scroll_begin());
   EXPECT_FALSE(queued_delegate->scroll_update());
@@ -1382,8 +1328,6 @@ TEST_F(GestureRecognizerTest, AsynchronousGestureRecognition) {
   queued_delegate->ReceivedAck();
   EXPECT_FALSE(queued_delegate->tap());
   EXPECT_TRUE(queued_delegate->tap_down());
-  EXPECT_TRUE(queued_delegate->begin());
-  EXPECT_FALSE(queued_delegate->end());
   EXPECT_FALSE(queued_delegate->double_tap());
   EXPECT_FALSE(queued_delegate->scroll_begin());
   EXPECT_FALSE(queued_delegate->scroll_update());
@@ -1393,8 +1337,6 @@ TEST_F(GestureRecognizerTest, AsynchronousGestureRecognition) {
   queued_delegate->ReceivedAck();
   EXPECT_FALSE(queued_delegate->tap());
   EXPECT_FALSE(queued_delegate->tap_down());  // no touch down for second tap.
-  EXPECT_TRUE(queued_delegate->begin());
-  EXPECT_FALSE(queued_delegate->end());
   EXPECT_FALSE(queued_delegate->double_tap());
   EXPECT_FALSE(queued_delegate->scroll_begin());
   EXPECT_FALSE(queued_delegate->scroll_update());
@@ -1407,8 +1349,6 @@ TEST_F(GestureRecognizerTest, AsynchronousGestureRecognition) {
   queued_delegate->ReceivedAck();
   EXPECT_FALSE(queued_delegate->tap());
   EXPECT_FALSE(queued_delegate->tap_down());
-  EXPECT_FALSE(queued_delegate->begin());
-  EXPECT_FALSE(queued_delegate->end());
   EXPECT_FALSE(queued_delegate->double_tap());
   EXPECT_TRUE(queued_delegate->scroll_begin());
   EXPECT_FALSE(queued_delegate->scroll_update());
@@ -1842,7 +1782,7 @@ TEST_F(GestureRecognizerTest, CaptureSendsTapUp) {
   capture->SetCapture();
   RunAllPendingInMessageLoop();
 
-  EXPECT_TRUE(delegate->end());
+  EXPECT_TRUE(delegate->tap_up());
 }
 
 TEST_F(GestureRecognizerTest, TwoFingerTap) {
diff --git a/ui/aura/root_window_unittest.cc b/ui/aura/root_window_unittest.cc
index 1b8c804..f1c456b 100644
--- a/ui/aura/root_window_unittest.cc
+++ b/ui/aura/root_window_unittest.cc
@@ -425,11 +425,8 @@ std::string EventTypeToString(ui::EventType type) {
     case ui::ET_GESTURE_TAP_DOWN:
       return "GESTURE_TAP_DOWN";
 
-    case ui::ET_GESTURE_BEGIN:
-      return "GESTURE_BEGIN";
-
-    case ui::ET_GESTURE_END:
-      return "GESTURE_END";
+    case ui::ET_GESTURE_TAP_UP:
+      return "GESTURE_TAP_UP";
 
     case ui::ET_GESTURE_DOUBLE_TAP:
       return "GESTURE_DOUBLE_TAP";
@@ -473,9 +470,9 @@ TEST_F(RootWindowTest, GestureToMouseEventTest) {
         base::TimeDelta::FromMilliseconds(time_ms));
     root_window()->DispatchTouchEvent(&touch_pressed_event);
     root_window()->DispatchTouchEvent(&touch_released_event);
-    EXPECT_EQ("TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN TOUCH_RELEASED "
-              "GESTURE_TAP MOUSE_ENTERED MOUSE_MOVED MOUSE_PRESSED "
-              "MOUSE_RELEASED GESTURE_END",
+    EXPECT_EQ("TOUCH_PRESSED GESTURE_TAP_DOWN TOUCH_RELEASED GESTURE_TAP "
+              "MOUSE_ENTERED MOUSE_MOVED MOUSE_PRESSED MOUSE_RELEASED "
+              "GESTURE_TAP_UP",
               EventTypesToString(filter->events()));
     filter->events().clear();
   }
@@ -485,7 +482,7 @@ TEST_F(RootWindowTest, GestureToMouseEventTest) {
     TouchEvent touch_event(ui::ET_TOUCH_PRESSED, gfx::Point(100, 101), 1,
                            base::TimeDelta());
     root_window()->DispatchTouchEvent(&touch_event);
-    EXPECT_EQ("TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN",
+    EXPECT_EQ("TOUCH_PRESSED GESTURE_TAP_DOWN",
               EventTypesToString(filter->events()));
     filter->events().clear();
   }
@@ -521,7 +518,7 @@ TEST_F(RootWindowTest, GestureToMouseEventTest) {
                            base::TimeDelta());
     root_window()->DispatchTouchEvent(&touch_event);
     EXPECT_EQ("TOUCH_RELEASED GESTURE_SCROLL_END MOUSE_DRAGGED MOUSE_RELEASED "
-              "GESTURE_END",
+              "GESTURE_TAP_UP",
               EventTypesToString(filter->events()));
     filter->events().clear();
   }
@@ -559,9 +556,9 @@ TEST_F(RootWindowTest, MouseMoveThenTouch) {
         base::TimeDelta::FromMilliseconds(time_ms));
     root_window()->DispatchTouchEvent(&touch_pressed_event);
     root_window()->DispatchTouchEvent(&touch_released_event);
-    EXPECT_EQ("TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN TOUCH_RELEASED "
-              "GESTURE_TAP MOUSE_EXITED MOUSE_ENTERED MOUSE_MOVED "
-              "MOUSE_PRESSED MOUSE_RELEASED GESTURE_END",
+    EXPECT_EQ("TOUCH_PRESSED GESTURE_TAP_DOWN TOUCH_RELEASED GESTURE_TAP "
+              "MOUSE_EXITED MOUSE_ENTERED MOUSE_MOVED MOUSE_PRESSED "
+              "MOUSE_RELEASED GESTURE_TAP_UP",
               EventTypesToString(filter->events()));
     filter->events().clear();
   }
diff --git a/ui/aura/window_unittest.cc b/ui/aura/window_unittest.cc
index 2b9a68a..9252097 100644
--- a/ui/aura/window_unittest.cc
+++ b/ui/aura/window_unittest.cc
@@ -626,8 +626,7 @@ TEST_F(WindowTest, TouchCaptureCancelsOtherTouches) {
   TouchEvent press(ui::ET_TOUCH_PRESSED,
                    gfx::Point(10, 10), 0, getTime());
   root_window()->DispatchTouchEvent(&press);
-  // We will get both GESTURE_BEGIN and GESTURE_TAP_DOWN.
-  EXPECT_EQ(2, delegate1.gesture_event_count());
+  EXPECT_EQ(1, delegate1.gesture_event_count());
   delegate1.ResetCounts();
   w2->SetCapture();
 
@@ -659,8 +658,7 @@ TEST_F(WindowTest, TouchCaptureCancelsOtherTouches) {
                     gfx::Point(10, 10), 0, getTime());
   root_window()->DispatchTouchEvent(&press2);
   EXPECT_EQ(0, delegate1.gesture_event_count());
-  // We will get both GESTURE_BEGIN and GESTURE_TAP_DOWN.
-  EXPECT_EQ(2, delegate2.gesture_event_count());
+  EXPECT_EQ(1, delegate2.gesture_event_count());
 }
 
 TEST_F(WindowTest, TouchCaptureDoesntCancelCapturedTouches) {
@@ -672,8 +670,7 @@ TEST_F(WindowTest, TouchCaptureDoesntCancelCapturedTouches) {
                    gfx::Point(10, 10), 0, getTime());
   root_window()->DispatchTouchEvent(&press);
 
-  // We will get both GESTURE_BEGIN and GESTURE_TAP_DOWN.
-  EXPECT_EQ(2, delegate.gesture_event_count());
+  EXPECT_EQ(1, delegate.gesture_event_count());
   delegate.ResetCounts();
 
   window->SetCapture();
diff --git a/ui/base/events.h b/ui/base/events.h
index 1d8b2d6..6712b19 100644
--- a/ui/base/events.h
+++ b/ui/base/events.h
@@ -52,9 +52,8 @@ enum EventType {
   ET_GESTURE_SCROLL_END,
   ET_GESTURE_SCROLL_UPDATE,
   ET_GESTURE_TAP,
-  ET_GESTURE_TAP_DOWN,
-  ET_GESTURE_BEGIN,  // Sent before any other gesture types.
-  ET_GESTURE_END,    // Sent after any other gestures.
+  ET_GESTURE_TAP_DOWN,  // Sent before any other gesture types.
+  ET_GESTURE_TAP_UP,    // Sent after any other gestures.
   ET_GESTURE_DOUBLE_TAP,
   ET_GESTURE_TWO_FINGER_TAP,
   ET_GESTURE_PINCH_BEGIN,
diff --git a/ui/base/gestures/gesture_sequence.cc b/ui/base/gestures/gesture_sequence.cc
index 7e3302c..f11d5d1 100644
--- a/ui/base/gestures/gesture_sequence.cc
+++ b/ui/base/gestures/gesture_sequence.cc
@@ -248,11 +248,6 @@ GestureSequence::Gestures* GestureSequence::ProcessTouchEventForGesture(
   const int point_id = points_[event.GetTouchId()].point_id();
   if (point_id < 0)
     return NULL;
-
-  // Send GESTURE_BEGIN for any touch pressed.
-  if (event.GetEventType() == ui::ET_TOUCH_PRESSED)
-    AppendBeginGestureEvent(point, gestures.get());
-
   switch (Signature(state_, point_id, event.GetEventType(), false)) {
     case GST_NO_GESTURE_FIRST_PRESSED:
       TouchDown(event, point, gestures.get());
@@ -356,6 +351,7 @@ GestureSequence::Gestures* GestureSequence::ProcessTouchEventForGesture(
     case GST_PINCH_THIRD_PRESSED:
     case GST_PINCH_FOURTH_PRESSED:
     case GST_PINCH_FIFTH_PRESSED:
+      AppendTapDownGestureEvent(point, gestures.get());
       pinch_distance_current_ = BoundingBoxDiagonal(bounding_box_);
       pinch_distance_start_ = pinch_distance_current_;
       break;
@@ -363,7 +359,7 @@ GestureSequence::Gestures* GestureSequence::ProcessTouchEventForGesture(
 
   if (event.GetEventType() == ui::ET_TOUCH_RELEASED ||
       event.GetEventType() == ui::ET_TOUCH_CANCELLED)
-    AppendEndGestureEvent(point, gestures.get());
+    AppendTapUpGestureEvent(point, gestures.get());
 
   if (state_ != last_state)
     DVLOG(4) << "Gesture Sequence"
@@ -480,23 +476,13 @@ void GestureSequence::AppendTapDownGestureEvent(const GesturePoint& point,
       point.first_touch_position(),
       flags_,
       base::Time::FromDoubleT(point.last_touch_time()),
-      0, 0.f, 1 << point.touch_id()));
-}
-
-void GestureSequence::AppendBeginGestureEvent(const GesturePoint& point,
-                                              Gestures* gestures) {
-  gestures->push_back(helper_->CreateGestureEvent(
-      ui::ET_GESTURE_BEGIN,
-      point.first_touch_position(),
-      flags_,
-      base::Time::FromDoubleT(point.last_touch_time()),
       point_count_, 0.f, 1 << point.touch_id()));
 }
 
-void GestureSequence::AppendEndGestureEvent(const GesturePoint& point,
+void GestureSequence::AppendTapUpGestureEvent(const GesturePoint& point,
                                               Gestures* gestures) {
   gestures->push_back(helper_->CreateGestureEvent(
-      ui::ET_GESTURE_END,
+      ui::ET_GESTURE_TAP_UP,
       point.first_touch_position(),
       flags_,
       base::Time::FromDoubleT(point.last_touch_time()),
diff --git a/ui/base/gestures/gesture_sequence.h b/ui/base/gestures/gesture_sequence.h
index 07d8cc4..b976bb3 100644
--- a/ui/base/gestures/gesture_sequence.h
+++ b/ui/base/gestures/gesture_sequence.h
@@ -78,8 +78,7 @@ class UI_EXPORT GestureSequence {
 
   // Tap gestures.
   void AppendTapDownGestureEvent(const GesturePoint& point, Gestures* gestures);
-  void AppendBeginGestureEvent(const GesturePoint& point, Gestures* gestures);
-  void AppendEndGestureEvent(const GesturePoint& point, Gestures* gestures);
+  void AppendTapUpGestureEvent(const GesturePoint& point, Gestures* gestures);
   void AppendClickGestureEvent(const GesturePoint& point, Gestures* gestures);
   void AppendDoubleClickGestureEvent(const GesturePoint& point,
                                      Gestures* gestures);
diff --git a/ui/views/view_unittest.cc b/ui/views/view_unittest.cc
index 3b6099d..70e6cee 100644
--- a/ui/views/view_unittest.cc
+++ b/ui/views/view_unittest.cc
@@ -603,7 +603,7 @@ TEST_F(ViewTest, GestureEvent) {
   EXPECT_EQ(ui::ET_UNKNOWN, v1->last_gesture_event_type_);
 
   // Simulate an up so that RootView is no longer targetting |v3|.
-  GestureEventForTest g1_up(ui::ET_GESTURE_END, 110, 110, 0);
+  GestureEventForTest g1_up(ui::ET_GESTURE_TAP_UP, 110, 110, 0);
   root->OnGestureEvent(g1_up);
 
   v1->Reset();
diff --git a/ui/views/widget/root_view.cc b/ui/views/widget/root_view.cc
index f10bd5b..6b6c14b 100644
--- a/ui/views/widget/root_view.cc
+++ b/ui/views/widget/root_view.cc
@@ -450,7 +450,7 @@ ui::GestureStatus RootView::OnGestureEvent(const GestureEvent& event) {
     View* handler = gesture_handler_;
     GestureEvent handler_event(event, this, gesture_handler_);
     // TODO: should only do this for the last touch id that goes up.
-    if (event.type() == ui::ET_GESTURE_END)
+    if (event.type() == ui::ET_GESTURE_TAP_UP)
       gesture_handler_ = NULL;
     return handler->OnGestureEvent(handler_event);
   }
diff --git a/ui/views/widget/widget.cc b/ui/views/widget/widget.cc
index 2231378..7626e96 100644
--- a/ui/views/widget/widget.cc
+++ b/ui/views/widget/widget.cc
@@ -1116,11 +1116,9 @@ ui::GestureStatus Widget::OnGestureEvent(const GestureEvent& event) {
       // dragging) may explicitly capture.
       break;
 
-    case ui::ET_GESTURE_END:
-      if (event.delta_x() == 1) {
-        is_touch_down_ = false;
-        ReleaseCapture();
-      }
+    case ui::ET_GESTURE_TAP_UP:
+      is_touch_down_ = false;
+      ReleaseCapture();
       break;
 
     default: