Support print preset options for pdf document

Source/web/WebPluginContainerImpl.h

Index: Source/web/WebPluginContainerImpl.h
diff --git a/Source/web/WebPluginContainerImpl.h b/Source/web/WebPluginContainerImpl.h
index 5ff3dcaf5a794f24ed46f98530be968f5bdd365e..d51d71c7de9fc4d603bc2e1551cc274dd0e27914 100644
--- a/Source/web/WebPluginContainerImpl.h
+++ b/Source/web/WebPluginContainerImpl.h
@@ -62,6 +62,7 @@ class WebExternalTextureLayer;
 class WheelEvent;
 class Widget;
 struct WebPrintParams;
+struct WebPrintPresetOptions;
 
 class WebPluginContainerImpl FINAL
     : public PluginView
@@ -138,8 +139,8 @@ public:
     // If the plugin content should not be scaled to the printable area of
     // the page, then this method should return true.
     bool isPrintScalingDisabled() const;
-    // Returns number of copies to be printed.
-    int getCopiesToPrint() const;
+    // Returns true if print preset options are updated from document.

[raymes, 2014/09/29 05:24:14]

nit: // Returns true on success and sets the out parameter to the print preset
options for the document.

[Nikhil, 2014/10/09 08:43:56]

Done.

+    bool getPrintPresetOptionsFromDocument(WebPrintPresetOptions*) const;
     // Sets up printing at the specified WebPrintParams. Returns the number of pages to be printed at these settings.
     int printBegin(const WebPrintParams&) const;
     // Prints the page specified by pageNumber (0-based index) into the supplied canvas.