Enable unused param checking for public includes.

include/gpu/GrContext.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrContext_DEFINED
 #define GrContext_DEFINED
 
@@ skipping 809 matching lines @@
 
     class AutoClip : public ::SkNoncopyable {
     public:
         // This enum exists to require a caller of the constructor to acknowledge that the clip will
         // initially be wide open. It also could be extended if there are other desirable initial
         // clip states.
         enum InitialClip {
             kWideOpen_InitialClip,
         };
 
-        AutoClip(GrContext* context, InitialClip initialState)
+        AutoClip(GrContext* context, InitialClip SkDEBUGCODE(initialState))
         : fContext(context) {
             SkASSERT(kWideOpen_InitialClip == initialState);
             fNewClipData.fClipStack = &fNewClipStack;
 
             fOldClip = context->getClip();
             context->setClip(&fNewClipData);
         }
 
         AutoClip(GrContext* context, const SkRect& newClipRect)
         : fContext(context)
@@ skipping 175 matching lines @@
     /**
      *  This callback allows the resource cache to callback into the GrContext
      *  when the cache is still overbudget after a purge.
      */
     static bool OverbudgetCB(void* data);
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif