Track plugin input event latency

content/renderer/pepper/pepper_graphics_2d_host_unittest.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 "content/renderer/pepper/pepper_graphics_2d_host.h"
 
 #include "base/basictypes.h"
 #include "base/message_loop/message_loop.h"
 #include "content/renderer/pepper/gfx_conversion.h"
 #include "content/renderer/pepper/mock_renderer_ppapi_host.h"
 #include "content/renderer/pepper/ppb_image_data_impl.h"
 #include "ppapi/shared_impl/ppb_view_shared.h"
 #include "ppapi/shared_impl/proxy_lock.h"
 #include "ppapi/shared_impl/test_globals.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebCanvas.h"
 #include "third_party/skia/include/core/SkCanvas.h"
+#include "ui/events/latency_info.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 
 using blink::WebCanvas;
 
 namespace content {
 
 class PepperGraphics2DHostTest : public testing::Test {
  public:
   static bool ConvertToLogicalPixels(float scale,
@@ skipping 29 matching lines @@
     ppapi::HostResource image_data_resource;
     image_data_resource.SetHostResource(image_data->pp_instance(),
                                         image_data->pp_resource());
     host_->OnHostMsgPaintImageData(
         NULL, image_data_resource, PP_Point(), false, PP_Rect());
   }
 
   void Flush() {
     ppapi::host::HostMessageContext context(
         ppapi::proxy::ResourceMessageCallParams(host_->pp_resource(), 0));
-    host_->OnHostMsgFlush(&context);
+    std::vector<ui::LatencyInfo> latency;
+    host_->OnHostMsgFlush(&context, latency);
     host_->ViewFlushedPaint();
     host_->SendOffscreenFlushAck();
   }
 
   void PaintToWebCanvas(SkBitmap* bitmap) {
     scoped_ptr<WebCanvas> canvas(new WebCanvas(*bitmap));
     gfx::Rect plugin_rect(PP_ToGfxRect(renderer_view_data_.rect));
     host_->Paint(canvas.get(),
                  plugin_rect,
                  gfx::Rect(0, 0, plugin_rect.width(), plugin_rect.height()));
@@ skipping 80 matching lines @@
       EXPECT_EQ(delta, gfx::Point(tests[i].dx2, tests[i].dy2));
     }
     // Reverse the scale and ensure all the original pixels are still inside
     // the result.
     ConvertToLogicalPixels(1.0f / tests[i].scale, &r1, NULL);
     EXPECT_TRUE(r1.Contains(orig));
   }
 }
 
 }  // namespace content