The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/5d8596504544ee64049242d88b15fc3a79295519

commit 5d8596504544ee64049242d88b15fc3a79295519
Author: nzolghadr <nzolghadr@chromium.org>
Date: Mon Jan 23 22:59:35 2017

Keep track of coalesced events in main thread event queue

This CL keeps track of the coaleced events in the
main thread event queue and passes them to Blink. So
that Blink later exposes them to the js through
PointerEvent.getCoalescedEvents API.

BUG= 680678 

Review-Url: https://codereview.chromium.org/2621303004
Cr-Commit-Position: refs/heads/master@{#445528}

[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/components/plugins/renderer/webview_plugin.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/components/test_runner/event_sender.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/components/test_runner/text_input_controller.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/browser/renderer_host/input/input_router_impl.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/browser/renderer_host/render_widget_host_unittest.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/browser/renderer_host/render_widget_host_view_mac_unittest.mm
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/common/input/event_with_latency_info.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/common/input/event_with_latency_info.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/common/input_messages.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/public/test/render_view_test.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/gpu/gpu_benchmarking_extension.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/idle_user_detector.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/idle_user_detector.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/input/input_event_filter.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/input/input_event_filter.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/input/input_event_filter_unittest.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/input/main_thread_event_queue.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/input/main_thread_event_queue.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/input/main_thread_event_queue_unittest.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/input/render_widget_input_handler.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/input/render_widget_input_handler.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/pepper/pepper_plugin_instance_impl.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/render_frame_impl.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/render_view_impl.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/render_view_impl.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/render_widget.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/render_widget.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/render_widget_fullscreen_pepper.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/content/renderer/render_widget_unittest.cc
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/platform/exported/WebCoalescedInputEvent.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/ExternalPopupMenu.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/WebFrameWidgetImpl.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/WebFrameWidgetImpl.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/WebPagePopupImpl.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/WebPagePopupImpl.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/WebViewFrameWidget.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/WebViewFrameWidget.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/WebViewImpl.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/WebViewImpl.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/tests/BrowserControlsTest.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/tests/ImeOnFocusTest.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/tests/LinkSelectionTest.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/tests/RootScrollerTest.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/tests/TouchActionTest.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/tests/VisualViewportTest.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/Source/web/tests/WebViewTest.cpp
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/public/platform/WebCoalescedInputEvent.h
[modify] https://crrev.com/5d8596504544ee64049242d88b15fc3a79295519/third_party/WebKit/public/web/WebWidget.h