TestingPlatformSupport: register Platform instance correctly

third_party/WebKit/Source/core/fetch/ResourceTest.cpp

Index: third_party/WebKit/Source/core/fetch/ResourceTest.cpp
diff --git a/third_party/WebKit/Source/core/fetch/ResourceTest.cpp b/third_party/WebKit/Source/core/fetch/ResourceTest.cpp
index 3795f72d1cc1bcfd5c64d4980545bbcf718c7c40..a3189b0468c6e745b66c3d0427b89637eddc3243 100644
--- a/third_party/WebKit/Source/core/fetch/ResourceTest.cpp
+++ b/third_party/WebKit/Source/core/fetch/ResourceTest.cpp
@@ -13,6 +13,7 @@
 #include "platform/testing/URLTestHelpers.h"
 #include "public/platform/Platform.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "wtf/PtrUtil.h"
 #include "wtf/Vector.h"
 
 namespace blink {
@@ -55,20 +56,22 @@ void createTestResourceAndSetCachedMetadata(const ResourceResponse& response) {
 }  // anonymous namespace
 
 TEST(ResourceTest, SetCachedMetadata_SendsMetadataToPlatform) {
-  MockPlatform mock;
+  ScopedTestingPlatformSupport<MockPlatform> mock(
+      WTF::makeUnique<MockPlatform>());
   ResourceResponse response(createTestResourceResponse());
   createTestResourceAndSetCachedMetadata(response);
-  EXPECT_EQ(1u, mock.cachedURLs().size());
+  EXPECT_EQ(1u, mock->cachedURLs().size());
 }
 
 TEST(
     ResourceTest,
     SetCachedMetadata_DoesNotSendMetadataToPlatformWhenFetchedViaServiceWorker) {
-  MockPlatform mock;
+  ScopedTestingPlatformSupport<MockPlatform> mock(
+      WTF::makeUnique<MockPlatform>());
   ResourceResponse response(createTestResourceResponse());
   response.setWasFetchedViaServiceWorker(true);
   createTestResourceAndSetCachedMetadata(response);
-  EXPECT_EQ(0u, mock.cachedURLs().size());
+  EXPECT_EQ(0u, mock->cachedURLs().size());
 }
 
 TEST(ResourceTest, RevalidateWithFragment) {