[blink] Unique pointers in Platform.h

content/test/test_blink_web_unit_test_support.cc

Index: content/test/test_blink_web_unit_test_support.cc
diff --git a/content/test/test_blink_web_unit_test_support.cc b/content/test/test_blink_web_unit_test_support.cc
index 50349664235ffdc85142758a54fe5e39cf43dedc..ff20a91ee457fdf318a487b7d0c1209ac6f2df45 100644
--- a/content/test/test_blink_web_unit_test_support.cc
+++ b/content/test/test_blink_web_unit_test_support.cc
@@ -268,12 +268,12 @@ blink::WebCompositorSupport* TestBlinkWebUnitTestSupport::CompositorSupport() {
   return &compositor_support_;
 }
 
-blink::WebGestureCurve* TestBlinkWebUnitTestSupport::CreateFlingAnimationCurve(
+std::unique_ptr<blink::WebGestureCurve>
+TestBlinkWebUnitTestSupport::CreateFlingAnimationCurve(
     blink::WebGestureDevice device_source,
     const blink::WebFloatPoint& velocity,
     const blink::WebSize& cumulative_scroll) {
-  // Caller will retain and release.
-  return new WebGestureCurveMock(velocity, cumulative_scroll);
+  return base::MakeUnique<WebGestureCurveMock>(velocity, cumulative_scroll);
 }
 
 blink::WebURLLoaderMockFactory*
@@ -329,10 +329,10 @@ class TestWebRTCCertificateGenerator
 }  // namespace
 #endif  // BUILDFLAG(ENABLE_WEBRTC)
 
-blink::WebRTCCertificateGenerator*
+std::unique_ptr<blink::WebRTCCertificateGenerator>
 TestBlinkWebUnitTestSupport::CreateRTCCertificateGenerator() {
 #if BUILDFLAG(ENABLE_WEBRTC)
-  return new TestWebRTCCertificateGenerator();
+  return base::MakeUnique<TestWebRTCCertificateGenerator>();
 #else
   return nullptr;
 #endif