Added check for icons that change.

chrome/browser/icon_loader.h

Index: chrome/browser/icon_loader.h
diff --git a/chrome/browser/icon_loader.h b/chrome/browser/icon_loader.h
index 531a9b709d2ae89f68ae12c723420fda7fd93174..f6cd8a07722b744aee7efcec0a21fbfefc2193da 100644
--- a/chrome/browser/icon_loader.h
+++ b/chrome/browser/icon_loader.h
@@ -74,6 +74,9 @@ class IconLoader : public base::RefCountedThreadSafe<IconLoader> {
   // is in icon_loader_[platform].cc.
   static IconGroupID ReadGroupIDFromFilepath(const base::FilePath& path);
 
+  // Some icons (exe's on windows) can change as they're loaded.
+  static bool IsIconMutableFromFilepath(const base::FilePath& path);
+
   void ReadGroup();
   void OnReadGroup();
   void ReadIcon();