Change clear() to respect the clip

include/pdf/SkPDFDevice.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkPDFDevice_DEFINED
@@ skipping 52 matching lines @@
      *         (used by layer restore) draws the device after this initial
      *         transform is applied, so the PDF device does an
      *         inverse scale+translate to accommodate the one that SkPDFDevice
      *         always does.
      */
     // Deprecated, please use SkDocument::CreatePdf() instead.
     SK_API SkPDFDevice(const SkISize& pageSize, const SkISize& contentSize,
                        const SkMatrix& initialTransform);
     SK_API virtual ~SkPDFDevice();
 
-    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);
@@ skipping 247 matching lines @@
 
     typedef SkBaseDevice INHERITED;
 
     // TODO(edisonn): Only SkDocument_PDF and SkPDFImageShader should be able to create
     // an SkPDFDevice
     //friend class SkDocument_PDF;
     //friend class SkPDFImageShader;
 };
 
 #endif