Switching the no-finch default behavior to enable the blacklist

chrome/browser/chrome_elf_init_win.h

Index: chrome/browser/chrome_elf_init_win.h
diff --git a/chrome/browser/chrome_elf_init_win.h b/chrome/browser/chrome_elf_init_win.h
index 850a608a0343f03bf08d75c1ad3232c6c8deea38..08f2ce5f5470b928c6fb70d66c4d79698958239e 100644
--- a/chrome/browser/chrome_elf_init_win.h
+++ b/chrome/browser/chrome_elf_init_win.h
@@ -5,10 +5,17 @@
 #ifndef CHROME_BROWSER_CHROME_ELF_INIT_WIN_H_
 #define CHROME_BROWSER_CHROME_ELF_INIT_WIN_H_
 
+// Field trial name and full name for the blacklist disabled group.
+extern const char kBrowserBlacklistTrialName[];
+extern const char kBrowserBlacklistTrialDisabledGroupName[];
+
 // Prepare any initialization code for Chrome Elf's setup (This will generally
 // only affect future runs since Chrome Elf is already setup by this point).
 void InitializeChromeElf();
 
+// Store the blacklist from the finch configs in the registry.
+void AddFinchBlacklistToRegistry();
+
 // Set the required state for an enabled browser blacklist.
 void BrowserBlacklistBeaconSetup();