Remove OwnPtr from Blink.

third_party/WebKit/Source/modules/webaudio/StereoPannerNodeTest.cpp

Index: third_party/WebKit/Source/modules/webaudio/StereoPannerNodeTest.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/StereoPannerNodeTest.cpp b/third_party/WebKit/Source/modules/webaudio/StereoPannerNodeTest.cpp
index a195c09a37364111f5c76e66f49653512c6eb745..2f02f608267fca9bf2749b1afb1c35dead62f16d 100644
--- a/third_party/WebKit/Source/modules/webaudio/StereoPannerNodeTest.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/StereoPannerNodeTest.cpp
@@ -2,16 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "modules/webaudio/StereoPannerNode.h"
 #include "core/testing/DummyPageHolder.h"
 #include "modules/webaudio/OfflineAudioContext.h"
+#include "modules/webaudio/StereoPannerNode.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include <memory>
 
 namespace blink {
 
 TEST(StereoPannerNodeTest, StereoPannerLifetime)
 {
-    OwnPtr<DummyPageHolder> page = DummyPageHolder::create();
+    std::unique_ptr<DummyPageHolder> page = DummyPageHolder::create();
     OfflineAudioContext* context = OfflineAudioContext::create(&page->document(), 2, 1, 48000, ASSERT_NO_EXCEPTION);
     StereoPannerNode* node = context->createStereoPanner(ASSERT_NO_EXCEPTION);
     StereoPannerHandler& handler = static_cast<StereoPannerHandler&>(node->handler());