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

tools/clang/blink_gc_plugin/tests/cycle_ptrs.h

Index: tools/clang/blink_gc_plugin/tests/cycle_ptrs.h
diff --git a/tools/clang/blink_gc_plugin/tests/cycle_ptrs.h b/tools/clang/blink_gc_plugin/tests/cycle_ptrs.h
index 8c07a063b82324aa36a495055bb0c0769606fc25..cb404efd65c1cacef2c60b60f40c0ee6ef46c263 100644
--- a/tools/clang/blink_gc_plugin/tests/cycle_ptrs.h
+++ b/tools/clang/blink_gc_plugin/tests/cycle_ptrs.h
@@ -21,14 +21,14 @@ class E;
 
 class A : public GarbageCollected<A> {
 public:
-    virtual void trace(Visitor*);
+    virtual void Trace(Visitor*);
 private:
     Member<B> m_b;
 };
 
 class B : public GarbageCollectedFinalized<B> {
 public:
-    virtual void trace(Visitor*);
+    virtual void Trace(Visitor*);
 private:
     Member<A> m_a;
     RefPtr<C> m_c;