Unifying StartPage across all platforms

Since there is already a getter method for retrieving the context, there is no reason for StartPage to return it. Also the parameter list can be uniform across all platforms. Some arguments are unused in order to achieve this.

BUG=NONE
TEST=NONE

Review URL: http://codereview.chromium.org/6667069

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@78717 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 9 insertions, 1 deletions

diff --git a/printing/emf_win.h b/printing/emf_win.h
index 5150356..d1a5038 100644
--- a/printing/emf_win.h
+++ b/printing/emf_win.h
@@ -15,7 +15,9 @@
 class FilePath;
 
 namespace gfx {
+class Point;
 class Rect;
+class Size;
 }
 
 namespace printing {
@@ -33,7 +35,13 @@ class Emf : public NativeMetafile {
   virtual bool Init() { return true; }
   virtual bool InitFromData(const void* src_buffer, uint32 src_buffer_size);
 
-  virtual bool StartPage();
+  // Inserts a custom GDICOMMENT records indicating StartPage/EndPage calls
+  // (since StartPage and EndPage do not work in a metafile DC). Only valid
+  // when hdc_ is non-NULL. |page_size| and |content_origin| are ignored.
+  // |scale_factor|  must be 1.0.
+  virtual bool StartPage(const gfx::Size& page_size,
+                         const gfx::Point& content_origin,
+                         const float& scale_factor);
   virtual bool FinishPage();
   virtual bool Close();