Support Coalesced Touch in ppapi

content/renderer/pepper/pepper_plugin_instance_impl.cc

Index: content/renderer/pepper/pepper_plugin_instance_impl.cc
diff --git a/content/renderer/pepper/pepper_plugin_instance_impl.cc b/content/renderer/pepper/pepper_plugin_instance_impl.cc
index 592133d4f5756491bb5a4f73d0e54de432c56972..d225ca475095c391e6e03ca511024714722edfd3 100644
--- a/content/renderer/pepper/pepper_plugin_instance_impl.cc
+++ b/content/renderer/pepper/pepper_plugin_instance_impl.cc
@@ -97,6 +97,7 @@
 #include "printing/features/features.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/WebKit/public/platform/URLConversion.h"
+#include "third_party/WebKit/public/platform/WebCoalescedInputEvent.h"
 #include "third_party/WebKit/public/platform/WebCursorInfo.h"
 #include "third_party/WebKit/public/platform/WebFloatRect.h"
 #include "third_party/WebKit/public/platform/WebInputEvent.h"
@@ -1115,6 +1116,22 @@ gfx::Rect PepperPluginInstanceImpl::GetCaretBounds() const {
   return caret;
 }
 
+bool PepperPluginInstanceImpl::HandleCoalescedInputEvent(
+    const blink::WebCoalescedInputEvent& event,
+    WebCursorInfo* cursor_info) {
+  if (blink::WebInputEvent::IsTouchEventType(event.Event().GetType()) &&
+      ((filtered_input_event_mask_ & PP_INPUTEVENT_CLASS_COALESCED_TOUCH) ||
+       (input_event_mask_ & PP_INPUTEVENT_CLASS_COALESCED_TOUCH))) {
+    bool result;

[dtapuska, 2017/05/05 16:21:09]

Probably need to initialize result?

[jkwang, 2017/05/05 20:21:43]

Done.

+    for (size_t i = 0; i < event.CoalescedEventSize(); ++i) {
+      result = HandleInputEvent(event.CoalescedEvent(i), cursor_info);

[dtapuska, 2017/05/05 16:21:09]

Should this be an |= ? Probably if any is handled then the event is handled?

[jkwang, 2017/05/05 20:21:43]

Done.

+    }
+    return result;
+  } else {
+    return HandleInputEvent(event.Event(), cursor_info);
+  }
+}
+
 bool PepperPluginInstanceImpl::HandleInputEvent(
     const blink::WebInputEvent& event,
     WebCursorInfo* cursor_info) {