Connect the right metafiles for print preview on Linux and Windows.

+ Remove the NativeMetafileFactory since we can't just use preview flag.
+ Update each Metafile constructor site to use PreviewMetafile or NativeMetafileImpl.
+ Fix misc. problems blocking pdf generation on Windows.
+ Rename the metafile interface.

BUG=NONE
TEST=NONE

Review URL: http://codereview.chromium.org/6826027

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@81161 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 34 insertions, 0 deletions

diff --git a/printing/metafile_skia_wrapper.h b/printing/metafile_skia_wrapper.h
new file mode 100644
index 0000000..751179f
--- /dev/null
+++ b/printing/metafile_skia_wrapper.h
@@ -0,0 +1,34 @@
+// 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.
+
+#ifndef PRINTING_METAFILE_SKIA_WRAPPER_H_
+#define PRINTING_METAFILE_SKIA_WRAPPER_H_
+
+#include "third_party/skia/include/core/SkRefCnt.h"
+
+class SkCanvas;
+
+namespace printing {
+
+class Metafile;
+
+// A wrapper class with static methods to set and retrieve a Metafile
+// on an SkCanvas.  The ownership of the metafile is not affected and it
+// is the caller's responsibility to ensure that the metafile remains valid
+// as long as the canvas.
+class MetafileSkiaWrapper : public SkRefCnt {
+ public:
+  static void SetMetafileOnCanvas(SkCanvas* canvas, Metafile* metafile);
+
+  static Metafile* GetMetafileFromCanvas(SkCanvas* canvas);
+
+ private:
+  explicit MetafileSkiaWrapper(Metafile* metafile);
+
+  Metafile* metafile_;
+};
+
+}  // namespace printing
+
+#endif  // PRINTING_METAFILE_SKIA_WRAPPER_H_