Use std::unique_ptr to signal ownership transfer in WebCompositorSupport

third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp

Index: third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp b/third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp
index e56eefec6fde376976fad05dd9722d363e90ef37..8ced299e119e36102b46e9c77918671274d329c0 100644
--- a/third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp
@@ -65,7 +65,6 @@
 #include "web/WebViewImpl.h"
 #include "web/tests/FakeWebPlugin.h"
 #include "web/tests/FrameTestHelpers.h"
-#include "wtf/PtrUtil.h"
 #include <memory>
 
 using blink::testing::runPendingTasks;
@@ -679,8 +678,7 @@ class CompositedPlugin : public FakeWebPlugin {
  public:
   CompositedPlugin(WebLocalFrame* frame, const WebPluginParams& params)
       : FakeWebPlugin(frame, params),
-        m_layer(wrapUnique(
-            Platform::current()->compositorSupport()->createLayer())) {}
+        m_layer(Platform::current()->compositorSupport()->createLayer()) {}
 
   WebLayer* getWebLayer() const { return m_layer.get(); }