Oilpan: Don't call didV8GC in V8's minor GC

Source/bindings/core/v8/V8GCController.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 366 matching lines @@
         MajorGCWrapperVisitor visitor(isolate, constructRetainedObjectInfos);
         v8::V8::VisitHandlesWithClassIds(isolate, &visitor);
         visitor.notifyFinished();
     }
 }
 
 void V8GCController::gcEpilogue(v8::GCType type, v8::GCCallbackFlags flags)
 {
     // FIXME: It would be nice if the GC callbacks passed the Isolate directly....
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
-    if (type == v8::kGCTypeScavenge)
+    if (type == v8::kGCTypeScavenge) {
         minorGCEpilogue(isolate);
-    else if (type == v8::kGCTypeMarkSweepCompact)
+    } else if (type == v8::kGCTypeMarkSweepCompact) {
         majorGCEpilogue(isolate);
-    ThreadState::current()->didV8GC();
+        ThreadState::current()->didV8GC();
+    }
 
     // Forces a Blink heap garbage collection when a garbage collection
     // was forced from V8. This is used for tests that force GCs from
     // JavaScript to verify that objects die when expected.
     if (flags & v8::kGCCallbackFlagForced) {
         // This single GC is not enough for two reasons:
         //   (1) The GC is not precise because the GC scans on-stack pointers conservatively.
         //   (2) One GC is not enough to break a chain of persistent handles. It's possible that
         //       some heap allocated objects own objects that contain persistent handles
         //       pointing to other heap allocated objects. To break the chain, we need multiple GCs.
@@ skipping 94 matching lines @@
     Visitor* m_visitor;
 };
 
 void V8GCController::traceDOMWrappers(v8::Isolate* isolate, Visitor* visitor)
 {
     DOMWrapperTracer tracer(visitor);
     v8::V8::VisitHandlesWithClassIds(isolate, &tracer);
 }
 
 } // namespace blink