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

tools/clang/blink_gc_plugin/tests/class_requires_trace_method.cpp

Index: tools/clang/blink_gc_plugin/tests/class_requires_trace_method.cpp
diff --git a/tools/clang/blink_gc_plugin/tests/class_requires_trace_method.cpp b/tools/clang/blink_gc_plugin/tests/class_requires_trace_method.cpp
index f18fdf6d3265c0c7c1aa573740b2001c2513a71f..e17dae0112f5f4e4fc27818f3f6add013e3e2baf 100644
--- a/tools/clang/blink_gc_plugin/tests/class_requires_trace_method.cpp
+++ b/tools/clang/blink_gc_plugin/tests/class_requires_trace_method.cpp
@@ -6,14 +6,14 @@
 
 namespace blink {
 
-void Mixin2::trace(Visitor* visitor)
+void Mixin2::Trace(Visitor* visitor)
 {
-  Mixin::trace(visitor);
+  Mixin::Trace(visitor);
 }
 
-void Mixin3::trace(Visitor* visitor)
+void Mixin3::Trace(Visitor* visitor)
 {
-  Mixin::trace(visitor);
+  Mixin::Trace(visitor);
 }
 
 } // namespace blink