Add IsScalingDisabled and PP_PRINTOUTPUTFORMAT_EMF to pepper printing interface.

webkit/plugins/ppapi/ppapi_plugin_instance.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 805 matching lines @@
     return true;
   }
   return false;
 }
 
 bool PluginInstance::SupportsPrintInterface() {
   PP_PrintOutputFormat_Dev format;
   return GetPreferredPrintOutputFormat(&format);
 }
 
+bool PluginInstance::IsPrintScalingDisabled() {
+  DCHECK(plugin_print_interface_);
+  if (!plugin_print_interface_)
+    return false;
+  return plugin_print_interface_->IsScalingDisabled(pp_instance());
+}
+
 int PluginInstance::PrintBegin(const gfx::Rect& printable_area,
                                int printer_dpi) {
   // Keep a reference on the stack. See NOTE above.
   scoped_refptr<PluginInstance> ref(this);
   PP_PrintOutputFormat_Dev format;
   if (!GetPreferredPrintOutputFormat(&format)) {
     // PrintBegin should not have been called since SupportsPrintInterface
     // would have returned false;
     NOTREACHED();
     return 0;
@@ skipping 33 matching lines @@
   {
     return PrintPageHelper(&page_range, 1, canvas);
   }
 }
 
 bool PluginInstance::PrintPageHelper(PP_PrintPageNumberRange_Dev* page_ranges,
                                      int num_ranges,
                                      WebKit::WebCanvas* canvas) {
   // Keep a reference on the stack. See NOTE above.
   scoped_refptr<PluginInstance> ref(this);
+  DCHECK(plugin_print_interface_);
+  if (!plugin_print_interface_)
+    return false;
   PP_Resource print_output = plugin_print_interface_->PrintPages(
       pp_instance(), page_ranges, num_ranges);
   if (!print_output)
     return false;
 
   bool ret = false;
 
   if (current_print_settings_.format == PP_PRINTOUTPUTFORMAT_PDF)
     ret = PrintPDFOutput(print_output, canvas);
   else if (current_print_settings_.format == PP_PRINTOUTPUTFORMAT_RASTER)
@@ skipping 711 matching lines @@
 }
 
 void PluginInstance::DoSetCursor(WebCursorInfo* cursor) {
   cursor_.reset(cursor);
   if (fullscreen_container_)
     fullscreen_container_->DidChangeCursor(*cursor);
 }
 
 }  // namespace ppapi
 }  // namespace webkit