Add functions to generate input events to PPB_Testing_Dev. These make

ppapi/proxy/ppb_testing_proxy.h

Index: ppapi/proxy/ppb_testing_proxy.h
===================================================================
--- ppapi/proxy/ppb_testing_proxy.h	(revision 107150)
+++ ppapi/proxy/ppb_testing_proxy.h	(working copy)
@@ -6,8 +6,10 @@
 #define PPAPI_PROXY_PPB_TESTING_PROXY_H_
 
 #include "base/basictypes.h"
+#include "ppapi/c/pp_input_event.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
+#include "ppapi/c/ppb_input_event.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/shared_impl/host_resource.h"
 
@@ -36,6 +38,21 @@
   void OnMsgRunMessageLoop(PP_Instance instance);
   void OnMsgQuitMessageLoop(PP_Instance instance);
   void OnMsgGetLiveObjectsForInstance(PP_Instance instance, uint32_t* result);
+  void OnMsgGenerateKeyEvent(
+      PP_Instance instance,
+      PP_InputEvent_Type type,
+      const PP_InputEvent_Key& key_event);
+  void OnMsgGenerateCharacterEvent(
+      PP_Instance instance,
+      const PP_InputEvent_Modifier modifier,
+      const std::string& text);
+  void OnMsgGenerateMouseEvent(
+      PP_Instance instance,
+      PP_InputEvent_Type type,
+      const PP_InputEvent_Mouse& mouse_event);
+  void OnMsgGenerateWheelEvent(
+      PP_Instance instance,
+      const PP_InputEvent_Wheel& wheel_event);
 
   // When this proxy is in the host side, this value caches the interface
   // pointer so we don't have to retrieve it from the dispatcher each time.