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 772c906f1d4e66d07739f797afb7fc867390ba4d..7fa0e474eabaeeef33d9561393386089175e7061 100644
--- a/chrome_elf/chrome_elf_main.cc
+++ b/chrome_elf/chrome_elf_main.cc
@@ -17,9 +17,6 @@ BOOL APIENTRY DllMain(HMODULE module, DWORD reason, LPVOID reserved) {
   if (reason == DLL_PROCESS_ATTACH) {
     InitCache();
     blacklist::Initialize(false);  // Don't force, abort if beacon is present.
-
-    // TODO(csharp): Move additions to the DLL blacklist to a sane place.
-    // blacklist::AddDllToBlacklist(L"foo.dll");
   }
 
   return TRUE;