Remove the Chrome Frame preprocessor define in chrome_constants.cc

chrome/common/chrome_paths_internal.h

Index: chrome/common/chrome_paths_internal.h
===================================================================
--- chrome/common/chrome_paths_internal.h	(revision 30046)
+++ chrome/common/chrome_paths_internal.h	(working copy)
@@ -14,6 +14,11 @@
 // DIR_USER_DATA has been overridden by a command-line option.
 bool GetDefaultUserDataDirectory(FilePath* result);
 
+// This returns the base directory in which Chrome Frame stores user profiles.
+// Note that this cannot be wrapped in a preprocessor define since
+// CF and Google Chrome want to share the same binaries.
+bool GetChromeFrameUserDataDirectory(FilePath* result);
+
 #if defined(OS_LINUX)
 // Get the path to the user's cache directory.
 bool GetUserCacheDirectory(FilePath* result);