Enable unused param checking for public includes.

include/core/SkDevice.h

 /*
  * Copyright 2010 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.
  */
 
 #ifndef SkDevice_DEFINED
 #define SkDevice_DEFINED
 
@@ skipping 263 matching lines @@
     virtual bool canHandleImageFilter(const SkImageFilter*) { return false; }
 
     /**
      *  Related (but not required) to canHandleImageFilter, this method returns
      *  true if the device could apply the filter to the src bitmap and return
      *  the result (and updates offset as needed).
      *  If the device does not recognize or support this filter,
      *  it just returns false and leaves result and offset unchanged.
      */
     virtual bool filterImage(const SkImageFilter*, const SkBitmap&,
-                             const SkImageFilter::Context& ctx,
-                             SkBitmap* result, SkIPoint* offset) {
+                             const SkImageFilter::Context&,
+                             SkBitmap* /*result*/, SkIPoint* /*offset*/) {
         return false;
     }
 
 protected:
     // default impl returns NULL
     virtual SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&);
 
     // default impl returns NULL
     virtual const void* peekPixels(SkImageInfo*, size_t* rowBytes);
 
@@ skipping 49 matching lines @@
             : fInfo(info)
             , fUsage(usage)
             , fPixelGeometry(AdjustGeometry(info, usage, geo))
         {}
 
         const SkImageInfo     fInfo;
         const Usage           fUsage;
         const SkPixelGeometry fPixelGeometry;
     };
 
-    virtual SkBaseDevice* onCreateCompatibleDevice(const CreateInfo& cinfo) {
+    virtual SkBaseDevice* onCreateCompatibleDevice(const CreateInfo&) {
         return NULL;
     }
 
     virtual void initForRootLayer(SkPixelGeometry geo);
 
 private:
     friend class SkCanvas;
     friend struct DeviceCM; //for setMatrixClip
     friend class SkDraw;
     friend class SkDrawIter;
@@ skipping 25 matching lines @@
     SkDeviceProperties* fLeakyProperties;   // will always exist.
 
 #ifdef SK_DEBUG
     bool        fAttachedToCanvas;
 #endif
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif