Removed unused parameters

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
@@ skipping 157 matching lines @@
      *  the default origin in its canvas' matrix/clip
      */
     const SkIPoint& getOrigin() const { return fOrigin; }
 
     /**
      * onAttachToCanvas is invoked whenever a device is installed in a canvas
      * (i.e., setDevice, saveLayer (for the new device created by the save),
      * and SkCanvas' SkDevice & SkBitmap -taking ctors). It allows the
      * devices to prepare for drawing (e.g., locking their pixels, etc.)
      */
-    virtual void onAttachToCanvas(SkCanvas* canvas) {
+    virtual void onAttachToCanvas(SkCanvas*) {
         SkASSERT(!fAttachedToCanvas);
         this->lockPixels();
 #ifdef SK_DEBUG
         fAttachedToCanvas = true;
 #endif
     };
 
     /**
      * onDetachFromCanvas notifies a device that it will no longer be drawn to.
      * It gives the device a chance to clean up (e.g., unlock its pixels). It
@@ skipping 269 matching lines @@
     SkDeviceProperties fLeakyProperties;
 
 #ifdef SK_DEBUG
     bool        fAttachedToCanvas;
 #endif
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif