Merge 90599 - Work around Skia PDF's lack of inverted path support.

Source/WebCore/platform/graphics/skia/PlatformContextSkia.cpp

 /*
  * Copyright (c) 2008, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 279 matching lines @@
         // need it to, we copy the image.
         bitmap->copyTo(&m_state->m_imageBufferClip, SkBitmap::kARGB_8888_Config);
     } else {
         // If there is a pixel ref, we can safely use the assignment operator.
         m_state->m_imageBufferClip = *bitmap;
     }
 }
 
 void PlatformContextSkia::clipPathAntiAliased(const SkPath& clipPath)
 {
+    if (m_canvas->getTopDevice()->getDeviceCapabilities() & SkDevice::kVector_Capability) {
+        // When the output is a vector device, like PDF, we don't need antialiased clips.
+        // It's up to the PDF rendering engine to do that. We can simply disable the
+        // antialiased clip code if the output is a vector device.
+        canvas()->clipPath(clipPath);
+        return;
+    }
+
     // If we are currently tracking any anti-alias clip paths, then we already
     // have a layer in place and don't need to add another.
     bool haveLayerOutstanding = m_state->m_antiAliasClipPaths.size();
 
     // See comments in applyAntiAliasedClipPaths about how this works.
     m_state->m_antiAliasClipPaths.append(clipPath);
 
     if (!haveLayerOutstanding) {
         SkRect bounds = clipPath.getBounds();
         canvas()->saveLayerAlpha(&bounds, 255, static_cast<SkCanvas::SaveFlags>(SkCanvas::kHasAlphaLayer_SaveFlag | SkCanvas::kFullColorLayer_SaveFlag | SkCanvas::kClipToLayer_SaveFlag));
@@ skipping 592 matching lines @@
                 // Swizzles from RGBA -> BGRA.
                 pixels[i] = (pixel & 0xFF00FF00) | ((pixel & 0x00FF0000) >> 16) | ((pixel & 0x000000FF) << 16);
             }
         }
     }
     m_softwareDirtyRect.unite(IntRect(0, 0, width, height)); // Mark everything as dirty.
 #endif
 }
 
 } // namespace WebCore