Rename the shared_impl resource files to give them more regular names.

ppapi/proxy/ppp_input_event_proxy.cc

Index: ppapi/proxy/ppp_input_event_proxy.cc
===================================================================
--- ppapi/proxy/ppp_input_event_proxy.cc	(revision 113419)
+++ ppapi/proxy/ppp_input_event_proxy.cc	(working copy)
@@ -11,7 +11,7 @@
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_resource_tracker.h"
 #include "ppapi/proxy/ppapi_messages.h"
-#include "ppapi/shared_impl/input_event_impl.h"
+#include "ppapi/shared_impl/ppb_input_event_shared.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_input_event_api.h"
 
@@ -96,8 +96,8 @@
 
 void PPP_InputEvent_Proxy::OnMsgHandleInputEvent(PP_Instance instance,
                                                  const InputEventData& data) {
-  scoped_refptr<InputEventImpl> resource(new InputEventImpl(
-      InputEventImpl::InitAsProxy(), instance, data));
+  scoped_refptr<PPB_InputEvent_Shared> resource(new PPB_InputEvent_Shared(
+      PPB_InputEvent_Shared::InitAsProxy(), instance, data));
   ppp_input_event_impl_->HandleInputEvent(instance, resource->pp_resource());
 }
 
@@ -105,8 +105,8 @@
     PP_Instance instance,
     const InputEventData& data,
     PP_Bool* result) {
-  scoped_refptr<InputEventImpl> resource(new InputEventImpl(
-      InputEventImpl::InitAsProxy(), instance, data));
+  scoped_refptr<PPB_InputEvent_Shared> resource(new PPB_InputEvent_Shared(
+      PPB_InputEvent_Shared::InitAsProxy(), instance, data));
   *result = ppp_input_event_impl_->HandleInputEvent(instance,
                                                     resource->pp_resource());
 }