Site specific secondary tiles for Windows 8.

win8/metro_driver/secondary_tile.h

Index: win8/metro_driver/secondary_tile.h
diff --git a/win8/metro_driver/secondary_tile.h b/win8/metro_driver/secondary_tile.h
index 796e881fa0e6a2d466282ec2ee38826d43b0aa8f..caee7e816d732f9033e949eb41ce5cf59f308cf5 100644
--- a/win8/metro_driver/secondary_tile.h
+++ b/win8/metro_driver/secondary_tile.h
@@ -4,13 +4,20 @@
 #ifndef CHROME_BROWSER_UI_METRO_DRIVER_SECONDARY_TILE_H_
 #define CHROME_BROWSER_UI_METRO_DRIVER_SECONDARY_TILE_H_
 
+#include "base/file_path.h"
 #include "base/string16.h"
 
 extern "C" __declspec(dllexport)
-BOOL MetroIsPinnedToStartScreen(const string16& url);
+BOOL MetroIsPinnedToStartScreen(const string16& tile_id);
 
 extern "C" __declspec(dllexport)
-void MetroTogglePinnedToStartScreen(const string16& title, const string16& url);
+void MetroUnPinFromStartScreen(const string16& tile_id);
+
+extern "C" __declspec(dllexport)
+void MetroPinToStartScreen(const string16& tile_id,
+                           const string16& title,
+                           const string16& url,
+                           const FilePath& logo_path);
 
 #endif  // CHROME_BROWSER_UI_METRO_DRIVER_SECONDARY_TILE_H_