Unfork VectorPlatformCanvas.

printing/native_metafile.h

Index: printing/native_metafile.h
diff --git a/printing/native_metafile.h b/printing/native_metafile.h
index 5981bf5e349b1e7cdfdca70629795016822cae85..b9df0d5015e98fd72edfc577b4d8b9452e98e685 100644
--- a/printing/native_metafile.h
+++ b/printing/native_metafile.h
@@ -26,6 +26,10 @@ class Rect;
 class Size;
 }
 
+namespace skia {
+class PlatformDevice;
+}
+
 #if defined(OS_CHROMEOS)
 namespace base {
 class  FileDescriptor;
@@ -50,6 +54,13 @@ class NativeMetafile {
   // Note: It should only be called from within the browser process.
   virtual bool InitFromData(const void* src_buffer, uint32 src_buffer_size) = 0;
 
+  // This method calls StartPage and then returns an appropriate
+  // VectorPlatformDevice implementation bound to the context created by
+  // StartPage or NULL on error.
+  virtual skia::PlatformDevice* StartPageForVectorCanvas(
+      const gfx::Size& page_size, const gfx::Point& content_origin,
+      const float& scale_factor) = 0;
+
   // Prepares a context for rendering a new page at the specified
   // |content_origin| with the given |page_size| and a |scale_factor| to use for
   // the drawing. The units are in points (=1/72 in). Returns true on success.