Track plugin input event latency

ppapi/shared_impl/ppapi_globals.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/shared_impl/ppapi_globals.h"
 
 #include "base/lazy_instance.h"  // For testing purposes only.
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/threading/thread_local.h"  // For testing purposes only.
@@ skipping 49 matching lines @@
 void PpapiGlobals::ResetMainThreadMessageLoopForTesting() {
   main_loop_proxy_ = base::MessageLoopProxy::current();
 }
 
 bool PpapiGlobals::IsHostGlobals() const { return false; }
 
 bool PpapiGlobals::IsPluginGlobals() const { return false; }
 
 void PpapiGlobals::MarkPluginIsActive() {}
 
+void PpapiGlobals::AddLatencyInfo(const ui::LatencyInfo& latency_info,
+                                   PP_Instance instance) {
+  latency_info_for_frame_[instance].push_back(latency_info);
+}
+
+void PpapiGlobals::TransferLatencyInfoTo(
+    std::vector<ui::LatencyInfo>* latency_info, PP_Instance instance) {
+  latency_info->swap(latency_info_for_frame_[instance]);
+  latency_info_for_frame_.erase(instance);
+}
+
 // static
 PpapiGlobals* PpapiGlobals::GetThreadLocalPointer() {
   return tls_ppapi_globals_for_test.Pointer()->Get();
 }
 
 }  // namespace ppapi