Change clear() to respect the clip

src/pdf/SkPDFDevice.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPDFDevice.h"
 
 #include "SkAnnotation.h"
@@ skipping 783 matching lines @@
     fShaderResources.unrefAll();
     SkSafeUnref(fAnnotations);
     SkSafeUnref(fResourceDict);
     fNamedDestinations.deleteAll();
 
     if (clearFontUsage) {
         fFontGlyphUsage->reset();
     }
 }
 
-void SkPDFDevice::clear(SkColor color) {
-    this->cleanUp(true);
-    this->init();
-
-    SkPaint paint;
-    paint.setColor(color);
-    paint.setStyle(SkPaint::kFill_Style);
-    SkMatrix identity;
-    identity.reset();
-    ScopedContentEntry content(this, &fExistingClipStack, fExistingClipRegion,
-                               identity, paint);
-    internalDrawPaint(paint, content.entry());
-}
-
 void SkPDFDevice::drawPaint(const SkDraw& d, const SkPaint& paint) {
     SkPaint newPaint = paint;
     newPaint.setStyle(SkPaint::kFill_Style);
     ScopedContentEntry content(this, d, newPaint);
     internalDrawPaint(newPaint, content.entry());
 }
 
 void SkPDFDevice::internalDrawPaint(const SkPaint& paint,
                                     ContentEntry* contentEntry) {
     if (!contentEntry) {
@@ skipping 1375 matching lines @@
     SkAutoTUnref<SkPDFObject> image(
             SkPDFCreateImageObject(*bitmap, subset, fEncoder));
     if (!image) {
         return;
     }
 
     SkPDFUtils::DrawFormXObject(this->addXObjectResource(image.get()),
                                 &content.entry()->fContent);
 }