Add use-chromium-style-naming option to Blink GC plugin.

tools/clang/blink_gc_plugin/tests/member_in_offheap_class.h

Index: tools/clang/blink_gc_plugin/tests/member_in_offheap_class.h
diff --git a/tools/clang/blink_gc_plugin/tests/member_in_offheap_class.h b/tools/clang/blink_gc_plugin/tests/member_in_offheap_class.h
index 2a7c8689088e8d994162918669bdf69e29c54682..89357a3482e7c8ed1a5e2befdbddf6260a182378 100644
--- a/tools/clang/blink_gc_plugin/tests/member_in_offheap_class.h
+++ b/tools/clang/blink_gc_plugin/tests/member_in_offheap_class.h
@@ -13,7 +13,7 @@ class HeapObject : public GarbageCollected<HeapObject> { };
 
 class OffHeapObject {
 public:
-    void trace(Visitor*);
+    void Trace(Visitor*);
 private:
     Member<HeapObject> m_obj; // Must not contain Member.
     Persistent<HeapVector<Member<HeapObject> > > m_objs; // OK
@@ -30,7 +30,7 @@ private:
 class PartObject {
     DISALLOW_NEW();
 public:
-    void trace(Visitor*);
+    void Trace(Visitor*);
 private:
     Member<HeapObject> m_obj; // OK
 };
@@ -38,7 +38,7 @@ private:
 class InlineObject {
     ALLOW_ONLY_INLINE_ALLOCATION();
 public:
-    void trace(Visitor*);
+    void Trace(Visitor*);
 private:
     Member<HeapObject> m_obj; // OK
 };