Populates sourceDevice attribute into TouchEvent

Source/core/input/InputDevice.h

Index: Source/core/input/InputDevice.h
diff --git a/Source/core/input/InputDevice.h b/Source/core/input/InputDevice.h
index 244e5638ceaae3b3e167c6ee2c9fa4736b0eede0..514e64b3caccfae824cfaaee317a31598c7a031a 100644
--- a/Source/core/input/InputDevice.h
+++ b/Source/core/input/InputDevice.h
@@ -16,6 +16,13 @@ class CORE_EXPORT InputDevice : public GarbageCollectedFinalized<InputDevice>, p
 
 public:
     ~InputDevice();
+
+    // This return a static local InputDevice pointer which has firesTouchEvents set to be true.
+    static InputDevice* touchEventInstance();
+
+    // This return a static local InputDevice pointer which has firesTouchEvents set to be false.
+    static InputDevice* nonTouchEventInstance();

[tdresser, 2015/06/10 13:46:00]

Let's remove this until we use it.

[lanwei, 2015/06/10 23:23:22]

Done.

+
     static InputDevice* create(bool firesTouchEvents)
     {
         return new InputDevice(firesTouchEvents);