Add UMA stats to record when DLLs are successfully blocked in the Browser.

chrome_elf/chrome_elf_main.cc

Index: chrome_elf/chrome_elf_main.cc
diff --git a/chrome_elf/chrome_elf_main.cc b/chrome_elf/chrome_elf_main.cc
index de6437596216e48bc1da6f0c6887303b306cce26..989493a122e13470120176b3940036c836775672 100644
--- a/chrome_elf/chrome_elf_main.cc
+++ b/chrome_elf/chrome_elf_main.cc
@@ -23,9 +23,6 @@ BOOL APIENTRY DllMain(HMODULE module, DWORD reason, LPVOID reserved) {
       blacklist::Initialize(false);  // Don't force, abort if beacon is present.
     } __except(GenerateCrashDump(GetExceptionInformation())) {
     }
-
-    // TODO(csharp): Move additions to the DLL blacklist to a sane place.
-    // blacklist::AddDllToBlacklist(L"foo.dll");
   }
 
   return TRUE;