Make PluginInstance::PrintPDFOutput-metafile implementation agnostic on Linux.

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/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/scoped_ptr.h"
@@ skipping 51 matching lines @@
 #include "printing/native_metafile.h"
 #endif
 
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "printing/native_metafile_factory.h"
 #endif
 
 #if defined(OS_LINUX)
-#include "printing/pdf_ps_metafile_cairo.h"
+#include "printing/native_metafile_skia_wrapper.h"
 #endif
 
 #if defined(OS_WIN)
 #include "ui/gfx/codec/jpeg_codec.h"
 #include "ui/gfx/gdi_util.h"
 #endif
 
 using WebKit::WebBindings;
 using WebKit::WebCanvas;
 using WebKit::WebCursorInfo;
@@ skipping 1090 matching lines @@
     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)
-  // On Linux we need to get the backing PdfPsMetafile and write the bits
-  // directly.
-  cairo_t* context = canvas->beginPlatformPaint();
+  // On Linux we just set the final bits in the native metafile.
   printing::NativeMetafile* metafile =
-      printing::PdfPsMetafile::FromCairoContext(context);
-  DCHECK(metafile);
+    printing::NativeMetafileSkiaWrapper::GetMetafileFromCanvas(canvas);
+  DCHECK(metafile != NULL);
   if (metafile)
     ret = metafile->InitFromData(buffer->mapped_buffer(), buffer->size());
-  canvas->endPlatformPaint();
 #elif defined(OS_MACOSX)
   scoped_ptr<printing::NativeMetafile> metafile(
       printing::NativeMetafileFactory::Create());
   // Create a PDF metafile and render from there into the passed in context.
   if (metafile->InitFromData(buffer->mapped_buffer(), buffer->size())) {
     // Flip the transform.
     CGContextSaveGState(canvas);
     CGContextTranslateCTM(canvas, 0,
                           current_print_settings_.printable_area.size.height);
     CGContextScaleCTM(canvas, 1.0, -1.0);
@@ skipping 250 matching lines @@
   return found->second;
 }
 
 bool PluginInstance::IsFullPagePlugin() const {
   WebFrame* frame = container()->element().document().frame();
   return frame->view()->mainFrame()->document().isPluginDocument();
 }
 
 }  // namespace ppapi
 }  // namespace webkit