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

tools/clang/blink_gc_plugin/tests/class_requires_trace_method.h

Index: tools/clang/blink_gc_plugin/tests/class_requires_trace_method.h
diff --git a/tools/clang/blink_gc_plugin/tests/class_requires_trace_method.h b/tools/clang/blink_gc_plugin/tests/class_requires_trace_method.h
index 4a442b72e87ddf4bf354f01da12ec34e695e51ef..5c8985e3cd9014f5621f0e2e1a74f868f98f4c64 100644
--- a/tools/clang/blink_gc_plugin/tests/class_requires_trace_method.h
+++ b/tools/clang/blink_gc_plugin/tests/class_requires_trace_method.h
@@ -24,7 +24,7 @@ private:
 
 class Mixin : public GarbageCollectedMixin {
 public:
-  virtual void trace(Visitor*) override;
+  virtual void Trace(Visitor*) override;
   Member<Mixin> m_self;
 };
 
@@ -34,7 +34,7 @@ class HeapObjectMixin : public GarbageCollected<HeapObjectMixin>, public Mixin {
 
 class Mixin2 : public Mixin {
 public:
-  virtual void trace(Visitor*) override;
+  virtual void Trace(Visitor*) override;
 };
 
 class HeapObjectMixin2
@@ -44,14 +44,14 @@ class HeapObjectMixin2
 
 class Mixin3 : public Mixin {
 public:
-  virtual void trace(Visitor*) override;
+  virtual void Trace(Visitor*) override;
 };
 
 class HeapObjectMixin3
     : public GarbageCollected<HeapObjectMixin3>, public Mixin {
   USING_GARBAGE_COLLECTED_MIXIN(HeapObjectMixin2);
 public:
-  virtual void trace(Visitor*) override;
+  virtual void Trace(Visitor*) override;
 };
 
 }