Added a new policy setting as well as corrisponding registry key for GCF

chrome_frame/policy_settings.h

Index: chrome_frame/policy_settings.h
===================================================================
--- chrome_frame/policy_settings.h	(revision 217795)
+++ chrome_frame/policy_settings.h	(working copy)
@@ -17,18 +17,28 @@
 // TODO(tommi): Use Chrome's classes for this (and the notification service).
 class PolicySettings {
  public:
-  typedef enum RendererForUrl {
+  enum RendererForUrl {
     RENDERER_NOT_SPECIFIED = -1,
     RENDER_IN_HOST,
     RENDER_IN_CHROME_FRAME,
   };
 
+  enum SkipMetadataCheck {
+    SKIP_METADATA_CHECK_NOT_SPECIFIED = -1,
+    SKIP_METADATA_CHECK_NO,
+    SKIP_METADATA_CHECK_YES,
+  };
+
   static PolicySettings* GetInstance();
 
   RendererForUrl default_renderer() const {
     return default_renderer_;
   }
 
+  SkipMetadataCheck skip_metadata_check() const {
+    return skip_metadata_check_;
+  }
+
   RendererForUrl GetRendererForUrl(const wchar_t* url);
 
   RendererForUrl GetRendererForContentType(const wchar_t* content_type);
@@ -52,6 +62,7 @@
   // Helper functions for reading settings from the registry
   static void ReadUrlSettings(RendererForUrl* default_renderer,
       std::vector<std::wstring>* renderer_exclusion_list);
+  static void ReadMetadataCheckSettings(SkipMetadataCheck* skip_metadata_check);
   static void ReadContentTypeSetting(
       std::vector<std::wstring>* content_type_list);
   static void ReadStringSetting(const char* value_name, std::wstring* value);
@@ -60,6 +71,7 @@
  protected:
   PolicySettings()
       : default_renderer_(RENDERER_NOT_SPECIFIED),
+        skip_metadata_check_(SKIP_METADATA_CHECK_NOT_SPECIFIED),
         additional_launch_parameters_(CommandLine::NO_PROGRAM),
         suppress_turndown_prompt_(false) {
     RefreshFromRegistry();
@@ -73,6 +85,7 @@
 
  protected:
   RendererForUrl default_renderer_;
+  SkipMetadataCheck skip_metadata_check_;
   std::vector<std::wstring> renderer_exclusion_list_;
   std::vector<std::wstring> content_type_list_;
   std::wstring application_locale_;