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

tools/clang/blink_gc_plugin/tests/cycle_sub.h

Index: tools/clang/blink_gc_plugin/tests/cycle_sub.h
diff --git a/tools/clang/blink_gc_plugin/tests/cycle_sub.h b/tools/clang/blink_gc_plugin/tests/cycle_sub.h
index a007061e1ce3572becdd85fe6fa03064fc4126da..e1a011bcbeb520ac8613a8fd0b0f94e1640a9b3c 100644
--- a/tools/clang/blink_gc_plugin/tests/cycle_sub.h
+++ b/tools/clang/blink_gc_plugin/tests/cycle_sub.h
@@ -16,12 +16,12 @@ class C;
 
 class A : public GarbageCollectedFinalized<A> {
 public:
-    virtual void trace(Visitor*) {}
+    virtual void Trace(Visitor*) {}
 };
 
 class B : public A {
 public:
-    virtual void trace(Visitor*);
+    virtual void Trace(Visitor*);
 private:
     RefPtr<C> m_c;
 };