ppapi: Add support for touch events.

ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_input_event.cc

Index: ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_input_event.cc
diff --git a/ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_input_event.cc b/ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_input_event.cc
index 0217db0472383c9cbe8f7a5df9b99b6797f9db88..83e4bd721d417baa7ec7250a533e26c5b687c64e 100644
--- a/ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_input_event.cc
+++ b/ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_input_event.cc
@@ -76,6 +76,13 @@ PP_Bool HandleInputEvent(PP_Instance instance, PP_Resource input_event) {
       DebugPrintf("   No implementation for event type %d\n",
           data.event_type);
       return PP_FALSE;
+    case PP_INPUTEVENT_TYPE_TOUCHSTART:
+    case PP_INPUTEVENT_TYPE_TOUCHMOVE:
+    case PP_INPUTEVENT_TYPE_TOUCHEND:
+    case PP_INPUTEVENT_TYPE_TOUCHCANCEL:
+      DebugPrintf("   No implementation for event type %d\n",
+          data.event_type);
+      return PP_FALSE;
     // No default case; if any new types are added we should get a compile
     // warning.
   }