Change clear() to respect the clip

include/core/SkBitmapDevice.h

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkBitmapDevice_DEFINED
 #define SkBitmapDevice_DEFINED
@@ skipping 22 matching lines @@
 public:
     static SkBitmapDevice* Create(const SkImageInfo& info) {
         return Create(info, NULL);
     }
 
     virtual SkImageInfo imageInfo() const SK_OVERRIDE;
 
 protected:
     bool onShouldDisableLCD(const SkPaint&) const SK_OVERRIDE;
 
-    /** Clears the entire device to the specified color (including alpha).
-     *  Ignores the clip.
-     */
-    virtual void clear(SkColor color) SK_OVERRIDE;
-
     /** These are called inside the per-device-layer loop for each draw call.
      When these are called, we have already applied any saveLayer operations,
      and are handling any looping from the paint, and any effects from the
      DrawFilter.
      */
     virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count,
                             const SkPoint[], const SkPaint& paint) SK_OVERRIDE;
     virtual void drawRect(const SkDraw&, const SkRect& r,
                           const SkPaint& paint) SK_OVERRIDE;
@@ skipping 101 matching lines @@
     virtual const void* peekPixels(SkImageInfo*, size_t* rowBytes) SK_OVERRIDE;
 
     virtual SkImageFilter::Cache* getImageFilterCache() SK_OVERRIDE;
 
     SkBitmap    fBitmap;
 
     typedef SkBaseDevice INHERITED;
 };
 
 #endif // SkBitmapDevice_DEFINED