Add a UMA stat to track if the Browser blacklist is Set on the Renderer

chrome_elf/blacklist/blacklist.h

Index: chrome_elf/blacklist/blacklist.h
diff --git a/chrome_elf/blacklist/blacklist.h b/chrome_elf/blacklist/blacklist.h
index 17a511d487712c2d3259a16aa66abe37f2214d82..1426ae77176dab35fae69b5d3ac2bc56c9fdbbf1 100644
--- a/chrome_elf/blacklist/blacklist.h
+++ b/chrome_elf/blacklist/blacklist.h
@@ -20,6 +20,12 @@ extern const wchar_t kRegistryBeaconPath[];
 extern const wchar_t kBeaconVersion[];
 extern const wchar_t kBeaconState[];
 
+// Record if the blacklist was patched in so processes can easily determine

[robertshield, 2014/02/06 18:55:23]

s/patched in/successfully initialized/

[csharp, 2014/02/06 20:03:58]

Done.

+// if the blacklist is enabled for them.
+// TODO(csharp): Remove once we are sure the blacklist is only patching the
+// browser process.
+extern bool blacklist_patched;
+
 // The states for the blacklist setup code.
 enum BlacklistState {
   BLACKLIST_DISABLED = 0,