Introducing WebCoalescedInputEvent and inclusion in content/common

third_party/WebKit/Source/web/WebViewImpl.cpp

Index: third_party/WebKit/Source/web/WebViewImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebViewImpl.cpp b/third_party/WebKit/Source/web/WebViewImpl.cpp
index 9c99761c650aaa6f37a2e061928317b80a000ceb..a63111c0929c88b375d33b32cf8a9a6314039946 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -2106,7 +2106,8 @@ bool WebViewImpl::hasVerticalScrollbar() {
 const WebInputEvent* WebViewImpl::m_currentInputEvent = nullptr;
 
 WebInputEventResult WebViewImpl::handleInputEvent(
-    const WebInputEvent& inputEvent) {
+    const WebCoalescedInputEvent& coalescedEvent) {
+  const WebInputEvent& inputEvent = coalescedEvent.event();
   // TODO(dcheng): The fact that this is getting called when there is no local
   // main frame is problematic and probably indicates a bug in the input event
   // routing code.
@@ -2209,7 +2210,7 @@ WebInputEventResult WebViewImpl::handleInputEvent(
 
   // FIXME: This should take in the intended frame, not the local frame root.
   WebInputEventResult result = PageWidgetDelegate::handleInputEvent(
-      *this, inputEvent, mainFrameImpl()->frame());
+      *this, coalescedEvent, mainFrameImpl()->frame());
   if (result != WebInputEventResult::NotHandled)
     return result;