Extend MotionEvent to have tool type and button state

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 6c003df44620f384a828e460fbba36473f982419..dc3073a2746e4a04020cf933cd27ddd8da33e727 100644
--- a/content/browser/android/content_view_core_impl.h
+++ b/content/browser/android/content_view_core_impl.h
@@ -110,7 +110,10 @@ class ContentViewCoreImpl : public ContentViewCore,
                         jfloat touch_major_0,
                         jfloat touch_major_1,
                         jfloat raw_pos_x,
-                        jfloat raw_pos_y);
+                        jfloat raw_pos_y,
+                        jint android_tool_type_0,

[jdduke (slow), 2014/06/20 15:33:25]

Sigh, this method has grown so large, but I don't really know of a better or
more efficient way of doing this.

[Changwan Ryu, 2014/06/20 21:00:34]

One idea to encapsulate these parameters would be to use a light weight proto
buffer. But there still may be some overhead.

+                        jint android_tool_type_1,
+                        jint android_button_state);
   jboolean SendMouseMoveEvent(JNIEnv* env,
                               jobject obj,
                               jlong time_ms,