Focus Views on touch events.

services/native_viewport/platform_viewport_android.cc

Index: services/native_viewport/platform_viewport_android.cc
diff --git a/services/native_viewport/platform_viewport_android.cc b/services/native_viewport/platform_viewport_android.cc
index f3db992290fe04a8f438cd39c27074226c4577a1..8cd264e4bc5ff5bc8082f1f788825b4a8a41d674 100644
--- a/services/native_viewport/platform_viewport_android.cc
+++ b/services/native_viewport/platform_viewport_android.cc
@@ -110,7 +110,8 @@ bool PlatformViewportAndroid::TouchEvent(JNIEnv* env, jobject obj,
                        base::TimeDelta::FromMilliseconds(time_ms));
   // TODO(beng): handle multiple touch-points.
   delegate_->OnEvent(&event);
-  if (action == ui::ET_TOUCH_RELEASED || action == ui::ET_TOUCH_CANCELLED)
+  if (event.type() == ui::ET_TOUCH_RELEASED ||
+      event.type() == ui::ET_TOUCH_CANCELLED)
     id_generator_.ReleaseNumber(pointer_id);
 
   return true;