move to modify onCreateDevice virtual

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 549 matching lines @@
                               enum_must_match_value);
             SK_COMPILE_ASSERT(SkPaint::kStrokeAndFill_Style == 2,
                               enum_must_match_value);
             fContentStream->writeDecAsText(state.fTextFill);
             fContentStream->writeText(" Tr\n");
             currentEntry()->fTextFill = state.fTextFill;
         }
     }
 }
 
-SkBaseDevice* SkPDFDevice::onCreateDevice(const SkImageInfo& info, Usage usage) {
+SkBaseDevice* SkPDFDevice::onCreateCompatibleDevice(const CreateInfo& cinfo) {
     // PDF does not support image filters, so render them on CPU.
     // Note that this rendering is done at "screen" resolution (100dpi), not
     // printer resolution.
     // FIXME: It may be possible to express some filters natively using PDF
     // to improve quality and file size (http://skbug.com/3043)
-    if (kImageFilter_Usage == usage) {
-        return SkBitmapDevice::Create(info);
+    if (kImageFilter_Usage == cinfo.fUsage) {
+        return SkBitmapDevice::Create(cinfo.fInfo);
     }
 
     SkMatrix initialTransform;
     initialTransform.reset();
-    SkISize size = SkISize::Make(info.width(), info.height());
+    SkISize size = SkISize::Make(cinfo.fInfo.width(), cinfo.fInfo.height());
     return SkNEW_ARGS(SkPDFDevice, (size, size, initialTransform));
 }
 
 
 struct ContentEntry {
     GraphicStateEntry fState;
     SkDynamicMemoryWStream fContent;
     SkAutoTDelete<ContentEntry> fNext;
 
     // If the stack is too deep we could get Stack Overflow.
@@ skipping 1610 matching lines @@
     SkAutoTUnref<SkPDFObject> image(
             SkPDFCreateImageObject(*bitmap, subset, fEncoder));
     if (!image) {
         return;
     }
 
     SkPDFUtils::DrawFormXObject(this->addXObjectResource(image.get()),
                                 &content.entry()->fContent);
 }