getDeviceCapabilities is no longer need, so remove it

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 789 matching lines @@
     fShaderResources.unrefAll();
     SkSafeUnref(fAnnotations);
     SkSafeUnref(fResourceDict);
     fNamedDestinations.deleteAll();
 
     if (clearFontUsage) {
         fFontGlyphUsage->reset();
     }
 }
 
-uint32_t SkPDFDevice::getDeviceCapabilities() {
-    return kVector_Capability;
-}
-
 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,
@@ skipping 510 matching lines @@
                                SkXfermode* xmode, const uint16_t indices[],
                                int indexCount, const SkPaint& paint) {
     if (d.fClip->isEmpty()) {
         return;
     }
     // TODO: implement drawVertices
 }
 
 void SkPDFDevice::drawDevice(const SkDraw& d, SkBaseDevice* device,
                              int x, int y, const SkPaint& paint) {
-    if ((device->getDeviceCapabilities() & kVector_Capability) == 0) {
-        // If we somehow get a raster device, do what our parent would do.
-        INHERITED::drawDevice(d, device, x, y, paint);
-        return;
-    }
-
-    // Assume that a vector capable device means that it's a PDF Device.
+    // our onCreateDevice() always creates SkPDFDevice subclasses.

[vandebo (ex-Chrome), 2014/03/13 17:21:17]

And onCreateDevice() is the only consumer of devices that can be passed to
drawDevice() ?

[reed1, 2014/03/13 18:15:33]

Correct. raster and gpu backends rely on the device always being
one-of-their-own

     SkPDFDevice* pdfDevice = static_cast<SkPDFDevice*>(device);
     if (pdfDevice->isContentEmpty()) {
         return;
     }
 
     SkMatrix matrix;
     matrix.setTranslate(SkIntToScalar(x), SkIntToScalar(y));
     ScopedContentEntry content(this, d.fClipStack, *d.fClip, matrix, paint);
     if (!content.entry()) {
         return;
@@ skipping 960 matching lines @@
 }
 
 bool SkPDFDevice::onReadPixels(const SkBitmap& bitmap, int x, int y,
                                SkCanvas::Config8888) {
     return false;
 }
 
 bool SkPDFDevice::allowImageFilter(const SkImageFilter*) {
     return false;
 }