| Index: third_party/WebKit/Source/core/fetch/MockResourceClients.h
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| diff --git a/third_party/WebKit/Source/core/fetch/MockResourceClients.h b/third_party/WebKit/Source/core/fetch/MockResourceClients.h
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| index 4710a7f2a8320091af990301ceb0cce3a4463e78..3740a3964b87c77f4db1822e869c8385a1bd9a43 100644
 | 
| --- a/third_party/WebKit/Source/core/fetch/MockResourceClients.h
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| +++ b/third_party/WebKit/Source/core/fetch/MockResourceClients.h
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| @@ -40,6 +40,7 @@ namespace blink {
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|  
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|  class MockResourceClient : public GarbageCollectedFinalized<MockResourceClient>, public ResourceClient {
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|      USING_PRE_FINALIZER(MockResourceClient, dispose);
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| +    USING_GARBAGE_COLLECTED_MIXIN(MockResourceClient);
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|  public:
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|      explicit MockResourceClient(Resource*);
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|      ~MockResourceClient() override;
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| 
 |