Eliminate PS printing edge cases

printing/printing_context_win.h

Index: printing/printing_context_win.h
diff --git a/printing/printing_context_win.h b/printing/printing_context_win.h
index e6f4ad0f0c39cdfdeedd0fa435b2428897f7e38d..0cd5ed7ad3994803eac63b64bb59dd2d1e7c41f2 100644
--- a/printing/printing_context_win.h
+++ b/printing/printing_context_win.h
@@ -41,6 +41,7 @@ class PRINTING_EXPORT PrintingContextWin : public PrintingContext {
   Result DocumentDone() override;
   void Cancel() override;
   void ReleaseContext() override;
+  void SetPostScriptEnabled(bool is_enabled) override;
   skia::NativeDrawingContext context() const override;
 
  protected:
@@ -53,6 +54,8 @@ class PRINTING_EXPORT PrintingContextWin : public PrintingContext {
 
   void set_context(HDC context) { context_ = context; }
 
+  bool postscript_enabled() { return is_postscript_enabled_; }

[Lei Zhang, 2017/02/25 03:03:35]

const method

+
  private:
   // Used in response to the user canceling the printing.
   static BOOL CALLBACK AbortProc(HDC hdc, int nCode);
@@ -60,6 +63,9 @@ class PRINTING_EXPORT PrintingContextWin : public PrintingContext {
   // The selected printer context.
   HDC context_;
 
+  // Is postscript printing enabled

[Lei Zhang, 2017/02/25 03:03:35]

"Is the postscript printing feature enabled"

+  bool is_postscript_enabled_ = false;
+
   DISALLOW_COPY_AND_ASSIGN(PrintingContextWin);
 };