[Android] Always insert a TouchCancel if window or tab focus is lost

content/browser/android/content_view_core_impl.h

Index: content/browser/android/content_view_core_impl.h
diff --git a/content/browser/android/content_view_core_impl.h b/content/browser/android/content_view_core_impl.h
index bcf6694d87586aac336b650e8184bb47228b75dc..0861fdf49b86596829a16e6e3c6e4dbf1a7d0a25 100644
--- a/content/browser/android/content_view_core_impl.h
+++ b/content/browser/android/content_view_core_impl.h
@@ -345,6 +345,10 @@ class ContentViewCoreImpl : public ContentViewCore,
   // Send device_orientation_ to renderer.
   void SendOrientationChangeEventInternal();
 
+  // Utility method for synthesizing a cancellation touch event and dispatching

[tdresser, 2014/03/04 16:19:34]

Probably more consistent if "cancellation touch event" -> "touch cancel event".

[jdduke (slow), 2014/03/04 19:07:03]

Done.

+  // it through the touch pipeline.
+  void CancelActiveTouchSequenceIfNecessary();
+
   // A weak reference to the Java ContentViewCore object.
   JavaObjectWeakGlobalRef java_ref_;