Adds the 6-month flag functionality back into the criteria checker,...

chrome/installer/gcapi/gcapi.h

Index: chrome/installer/gcapi/gcapi.h
===================================================================
--- chrome/installer/gcapi/gcapi.h	(revision 8931)
+++ chrome/installer/gcapi/gcapi.h	(working copy)
@@ -21,7 +21,12 @@
 // This function returns TRUE if Google Chrome should be offered.
 // If the return is FALSE, the reasons DWORD explains why.  If you don't care
 // for the reason, you can pass NULL for reasons.
-DLLEXPORT BOOL __stdcall GoogleChromeCompatibilityCheck(DWORD *reasons);
+// set_flag indicates whether a flag should be set indicating that Chrome was
+// offered within the last six months; if passed FALSE, this method will not
+// set the flag even if Chrome can be offered.  If passed TRUE, this method 
+// will set the flag only if Chrome can be offered.
+DLLEXPORT BOOL __stdcall GoogleChromeCompatibilityCheck(BOOL set_flag, 
+                                                        DWORD *reasons);
 
 // This function launches Google Chrome after a successful install. Make
 // sure COM library is NOT initalized before you call this function (so if
@@ -29,7 +34,7 @@
 DLLEXPORT BOOL __stdcall LaunchGoogleChrome();
 
 // Funtion pointer type declarations to use with GetProcAddress.
-typedef BOOL (__stdcall * GCCC_CompatibilityCheck)(DWORD *);
+typedef BOOL (__stdcall * GCCC_CompatibilityCheck)(BOOL, DWORD *);
 typedef BOOL (__stdcall * GCCC_LaunchGC)(HANDLE *);
 }  // extern "C"