[Print Preview] Refactored code to support auto fit to page functionality.

chrome/renderer/print_web_view_helper.h

Index: chrome/renderer/print_web_view_helper.h
diff --git a/chrome/renderer/print_web_view_helper.h b/chrome/renderer/print_web_view_helper.h
index 99eb0a99b5349c1e9875494d507e61a291d1a48a..90c3a7e62b32a8560cc9749127532c2141eb3d20 100644
--- a/chrome/renderer/print_web_view_helper.h
+++ b/chrome/renderer/print_web_view_helper.h
@@ -200,7 +200,7 @@ class PrintWebViewHelper
 
   // Initialize print page settings with default settings.
   // Used only for native printing workflow.
-  bool InitPrintSettings();
+  bool InitPrintSettings(WebKit::WebFrame* frame, const WebKit::WebNode& node);
 
   // Initialize print page settings with default settings and prepare the frame
   // for print. A new PrepareFrameAndViewForPrint is created to fulfill the
@@ -286,7 +286,6 @@ class PrintWebViewHelper
       int page_index,
       const PrintMsg_Print_Params& default_params,
       bool ignore_css_margins,
-      bool fit_to_page,
       double* scale_factor,
       printing::PageSizeMargins* page_layout_in_points);
 
@@ -297,8 +296,7 @@ class PrintWebViewHelper
       const WebKit::WebNode& node,
       PrepareFrameAndViewForPrint* prepare,
       const PrintMsg_Print_Params& params,
-      bool ignore_css_margins,
-      bool fit_to_page);
+      bool ignore_css_margins);
 
   // Given the |device| and |canvas| to draw on, prints the appropriate headers
   // and footers using strings from |header_footer_info| on to the canvas.
@@ -355,10 +353,6 @@ class PrintWebViewHelper
   bool is_print_ready_metafile_sent_;
   bool ignore_css_margins_;
 
-  // True if we need to auto fit to page else false.
-  // NOTE: When we print to pdf, we don't fit to page.
-  bool fit_to_page_;
-
   // Used for scripted initiated printing blocking.
   base::Time last_cancelled_script_print_;
   int user_cancelled_scripted_print_count_;
@@ -394,8 +388,7 @@ class PrintWebViewHelper
     // Create the print preview document. |pages| is empty to print all pages.
     bool CreatePreviewDocument(PrintMsg_Print_Params* params,
                                const std::vector<int>& pages,
-                               bool ignore_css_margins,
-                               bool fit_to_page);
+                               bool ignore_css_margins);
 
     // Called after a page gets rendered. |page_time| is how long the
     // rendering took.