Enable unused param checking for public includes.

include/utils/SkCamera.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 //  Inspired by Rob Johnson's most excellent QuickDraw GX sample code
 
 #ifndef SkCamera_DEFINED
@@ skipping 66 matching lines @@
     void    reset();
     void    transform(const SkMatrix3D&, SkPatch3D* dst = NULL) const;
 
     // dot a unit vector with the patch's normal
     SkScalar dotWith(SkScalar dx, SkScalar dy, SkScalar dz) const;
     SkScalar dotWith(const SkVector3D& v) const {
         return this->dotWith(v.fX, v.fY, v.fZ);
     }
 
     // deprecated, but still here for animator (for now)
-    void rotate(SkScalar x, SkScalar y, SkScalar z) {}
-    void rotateDegrees(SkScalar x, SkScalar y, SkScalar z) {}
+    void rotate(SkScalar /*x*/, SkScalar /*y*/, SkScalar /*z*/) {}
+    void rotateDegrees(SkScalar /*x*/, SkScalar /*y*/, SkScalar /*z*/) {}
 
 private:
 public: // make public for SkDraw3D for now
     SkVector3D  fU, fV;
     SkPoint3D   fOrigin;
 
     friend class SkCamera3D;
 };
 
 class SkCamera3D {
@@ skipping 45 matching lines @@
     struct Rec {
         Rec*        fNext;
         SkMatrix3D  fMatrix;
     };
     Rec*        fRec;
     Rec         fInitialRec;
     SkCamera3D  fCamera;
 };
 
 #endif