convert //gpu to std::unique_ptr

gpu/ipc/service/pass_through_image_transport_surface.h

Index: gpu/ipc/service/pass_through_image_transport_surface.h
diff --git a/gpu/ipc/service/pass_through_image_transport_surface.h b/gpu/ipc/service/pass_through_image_transport_surface.h
index b63194a784160ed1b8500433f5d9ad0f4deadb1d..084b07c0b919d992f9f30102c9042df0371589b3 100644
--- a/gpu/ipc/service/pass_through_image_transport_surface.h
+++ b/gpu/ipc/service/pass_through_image_transport_surface.h
@@ -7,10 +7,10 @@
 
 #include <stdint.h>
 
+#include <memory>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "gpu/ipc/service/image_transport_surface.h"
 #include "ui/events/latency_info.h"
@@ -52,11 +52,12 @@ class PassThroughImageTransportSurface : public gfx::GLSurfaceAdapter {
   void SendVSyncUpdateIfAvailable();
 
   void SetLatencyInfo(const std::vector<ui::LatencyInfo>& latency_info);
-  scoped_ptr<std::vector<ui::LatencyInfo>> StartSwapBuffers();
-  void FinishSwapBuffers(scoped_ptr<std::vector<ui::LatencyInfo>> latency_info,
-                         gfx::SwapResult result);
+  std::unique_ptr<std::vector<ui::LatencyInfo>> StartSwapBuffers();
+  void FinishSwapBuffers(
+      std::unique_ptr<std::vector<ui::LatencyInfo>> latency_info,
+      gfx::SwapResult result);
   void FinishSwapBuffersAsync(
-      scoped_ptr<std::vector<ui::LatencyInfo>> latency_info,
+      std::unique_ptr<std::vector<ui::LatencyInfo>> latency_info,
       GLSurface::SwapCompletionCallback callback,
       gfx::SwapResult result);