Unfork VectorPlatformCanvas.

printing/native_metafile.h

Index: printing/native_metafile.h
diff --git a/printing/native_metafile.h b/printing/native_metafile.h
index 65f9f4c85863d2e2cad06cbd05b05a2c32c35ab2..6984060fbbe19cba5e0ead30fbee6f90cae523e2 100644
--- a/printing/native_metafile.h
+++ b/printing/native_metafile.h
@@ -26,6 +26,10 @@ class Size;
 class Point;
 }
 
+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 Init(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;
+
 #if defined(OS_WIN)
   // Inserts a custom GDICOMMENT records indicating StartPage/EndPage calls
   // (since StartPage and EndPage do not work in a metafile DC). Only valid