Pass through PDFs from the plugin when using Skia on the Mac.

webkit/plugins/ppapi/ppapi_plugin_instance.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 1044 matching lines @@
   if (!pdf_module)
     return false;
   RenderPDFPageToDCProc render_proc =
       reinterpret_cast<RenderPDFPageToDCProc>(
           GetProcAddress(pdf_module, "RenderPDFPageToDC"));
   if (!render_proc)
     return false;
 #endif  // defined(OS_WIN)
 
   bool ret = false;
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || (defined(OS_MACOSX) && defined(USE_SKIA))
   // On Linux we just set the final bits in the native metafile
   // (NativeMetafile and PreviewMetafile must have compatible formats,
   // i.e. both PDF for this to work).
   printing::Metafile* metafile =
       printing::MetafileSkiaWrapper::GetMetafileFromCanvas(canvas);
   DCHECK(metafile != NULL);
   if (metafile)
     ret = metafile->InitFromData(mapper.data(), mapper.size());
 #elif defined(OS_MACOSX)
   printing::NativeMetafile metafile;
   // Create a PDF metafile and render from there into the passed in context.
   if (metafile.InitFromData(mapper.data(), mapper.size())) {
-    // Flip the transform.
-#if defined(USE_SKIA)
-    gfx::SkiaBitLocker bit_locker(canvas);
-    CGContextRef cgContext = bit_locker.cgContext();
-#else
+      // Flip the transform.
     CGContextRef cgContext = canvas;
-#endif
     CGContextSaveGState(cgContext);
     CGContextTranslateCTM(cgContext, 0,
                           current_print_settings_.printable_area.size.height);
     CGContextScaleCTM(cgContext, 1.0, -1.0);
     CGRect page_rect;
     page_rect.origin.x = current_print_settings_.printable_area.point.x;
     page_rect.origin.y = current_print_settings_.printable_area.point.y;
     page_rect.size.width = current_print_settings_.printable_area.size.width;
     page_rect.size.height = current_print_settings_.printable_area.size.height;
 
@@ skipping 409 matching lines @@
 }
 
 PP_Bool PluginInstance::GetScreenSize(PP_Instance instance, PP_Size* size) {
   gfx::Size screen_size = delegate()->GetScreenSize();
   *size = PP_MakeSize(screen_size.width(), screen_size.height());
   return PP_TRUE;
 }
 
 }  // namespace ppapi
 }  // namespace webkit