WIP Add getCoalescedEvents API using vector of WebInputEvents

components/plugins/renderer/webview_plugin.cc

Index: components/plugins/renderer/webview_plugin.cc
diff --git a/components/plugins/renderer/webview_plugin.cc b/components/plugins/renderer/webview_plugin.cc
index af1d9199bf4b10412bdc5a4b011f463bfd0f6e60..e48ccd82c61ee3762fb455ff9470f2dcaa9c2905 100644
--- a/components/plugins/renderer/webview_plugin.cc
+++ b/components/plugins/renderer/webview_plugin.cc
@@ -189,6 +189,7 @@ void WebViewPlugin::updateFocus(bool focused, blink::WebFocusType focus_type) {
 
 blink::WebInputEventResult WebViewPlugin::handleInputEvent(
     const WebInputEvent& event,
+    const std::vector<const WebInputEvent*>& coalescedEvents,
     WebCursorInfo& cursor) {
   // For tap events, don't handle them. They will be converted to
   // mouse events later and passed to here.
@@ -209,7 +210,8 @@ blink::WebInputEventResult WebViewPlugin::handleInputEvent(
     return blink::WebInputEventResult::HandledSuppressed;
   }
   current_cursor_ = cursor;
-  blink::WebInputEventResult handled = web_view_->handleInputEvent(event);
+  blink::WebInputEventResult handled =
+      web_view_->handleInputEvent(event, coalescedEvents);
   cursor = current_cursor_;
 
   return handled;