Remove setting cancelBubble to false.

third_party/WebKit/Source/modules/indexeddb/IDBEventDispatcher.cpp

Index: third_party/WebKit/Source/modules/indexeddb/IDBEventDispatcher.cpp
diff --git a/third_party/WebKit/Source/modules/indexeddb/IDBEventDispatcher.cpp b/third_party/WebKit/Source/modules/indexeddb/IDBEventDispatcher.cpp
index a17f89bdfa292260b070d43c62f730721a217875..1c8d91b7bd054de69db0edfa70b1934791b5bc37 100644
--- a/third_party/WebKit/Source/modules/indexeddb/IDBEventDispatcher.cpp
+++ b/third_party/WebKit/Source/modules/indexeddb/IDBEventDispatcher.cpp
@@ -28,7 +28,6 @@
 
 #include "modules/indexeddb/IDBEventDispatcher.h"
 
-#include "core/frame/UseCounter.h"
 #include "modules/EventModules.h"
 #include "modules/EventTargetModules.h"
 
@@ -51,31 +50,15 @@ DispatchEventResult IDBEventDispatcher::dispatch(
   event->setEventPhase(Event::kAtTarget);
   event->setCurrentTarget(eventTargets[0].get());
   eventTargets[0]->fireEventListeners(event);
-  if (event->propagationStopped() || !event->bubbles())
+  if (event->propagationStopped() || !event->bubbles() || event->cancelBubble())
     goto doneDispatching;
-  if (event->bubbles() && event->cancelBubble()) {
-    for (size_t i = 1; i < size; ++i) {  // Don't do the first element.
-      if (eventTargets[i]->hasEventListeners(event->type()))
-        UseCounter::count(eventTargets[i]->getExecutionContext(),
-                          UseCounter::EventCancelBubbleAffected);
-    }
-    goto doneDispatching;
-  }
 
   event->setEventPhase(Event::kBubblingPhase);
   for (size_t i = 1; i < size; ++i) {  // Don't do the first element.
     event->setCurrentTarget(eventTargets[i].get());
     eventTargets[i]->fireEventListeners(event);
-    if (event->propagationStopped())
-      goto doneDispatching;
-    if (event->cancelBubble()) {
-      for (size_t j = i + 1; j < size; ++j) {
-        if (eventTargets[j]->hasEventListeners(event->type()))
-          UseCounter::count(eventTargets[j]->getExecutionContext(),
-                            UseCounter::EventCancelBubbleAffected);
-      }
+    if (event->propagationStopped() || event->cancelBubble())
       goto doneDispatching;
-    }
   }
 
 doneDispatching: