Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/modules/speech/SpeechRecognitionResult.h

Index: Source/modules/speech/SpeechRecognitionResult.h
diff --git a/Source/modules/speech/SpeechRecognitionResult.h b/Source/modules/speech/SpeechRecognitionResult.h
index 797f7efc8a857eb42b1b96f5db42e9fb7f11ce6e..f201e2e0d251a06ddabd8df730a2029a4412051d 100644
--- a/Source/modules/speech/SpeechRecognitionResult.h
+++ b/Source/modules/speech/SpeechRecognitionResult.h
@@ -38,7 +38,6 @@ namespace WebCore {
 // holding a WebPrivatePtr (a RefPtr) to this result object. When/if such pointers
 // can be to GCed objects, we can drop the extra reference counting layer.
 class SpeechRecognitionResult : public RefCountedWillBeGarbageCollected<SpeechRecognitionResult>, public ScriptWrappable {
-    DECLARE_GC_INFO;
 public:
     ~SpeechRecognitionResult();
     static PassRefPtrWillBeRawPtr<SpeechRecognitionResult> create(const WillBeHeapVector<RefPtrWillBeMember<SpeechRecognitionAlternative> >&, bool final);