Support Coalesced Touch in ppapi

components/plugins/renderer/webview_plugin.cc

 // Copyright 2013 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 "components/plugins/renderer/webview_plugin.h"
 
 #include <stddef.h>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 10 matching lines @@
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebElement.h"
 #include "third_party/WebKit/public/web/WebFrameWidget.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
 using blink::WebCanvas;
+using blink::WebCoalescedInputEvent;

[tommycli, 2017/05/09 18:06:11]

nit: Remove both blink::WebCoalescedInputEvent and blink::WebInputEvent from
this list. Not worth the using statements.

 using blink::WebCursorInfo;
 using blink::WebDragData;
 using blink::WebDragOperationsMask;
 using blink::WebFrameWidget;
 using blink::WebImage;
 using blink::WebInputEvent;
 using blink::WebLocalFrame;
 using blink::WebMouseEvent;
 using blink::WebPlugin;
 using blink::WebPluginContainer;
@@ skipping 158 matching lines @@
       FROM_HERE,
       base::Bind(&WebViewPlugin::UpdatePluginForNewGeometry,
                  weak_factory_.GetWeakPtr(), window_rect, unobscured_rect));
 }
 
 void WebViewPlugin::UpdateFocus(bool focused, blink::WebFocusType focus_type) {
   focused_ = focused;
 }
 
 blink::WebInputEventResult WebViewPlugin::HandleInputEvent(
-    const WebInputEvent& event,
+    const WebCoalescedInputEvent& coalesced_event,
     WebCursorInfo& cursor) {
+  const WebInputEvent& event = coalesced_event.Event();
   // For tap events, don't handle them. They will be converted to
   // mouse events later and passed to here.
   if (event.GetType() == WebInputEvent::kGestureTap)
     return blink::WebInputEventResult::kNotHandled;
 
   // For LongPress events we return false, since otherwise the context menu will
   // be suppressed. https://crbug.com/482842
   if (event.GetType() == WebInputEvent::kGestureLongPress)
     return blink::WebInputEventResult::kNotHandled;
 
@@ skipping 144 matching lines @@
   if (!delegate_)
     return;
 
   // The delegate may instantiate a new plugin.
   delegate_->OnUnobscuredRectUpdate(gfx::Rect(unobscured_rect));
   // The delegate may have dirtied style and layout of the WebView.
   // See for example the resizePoster function in plugin_poster.html.
   // Run the lifecycle now so that it is clean.
   web_view()->UpdateAllLifecyclePhases();
 }