Remove ChromeFrameDistribution and ChromeFrameOperations from installer_util.

chrome/installer/util/chrome_browser_operations.cc

Index: chrome/installer/util/chrome_browser_operations.cc
diff --git a/chrome/installer/util/chrome_browser_operations.cc b/chrome/installer/util/chrome_browser_operations.cc
index ff3b31b8825ed6ad27efa42784b95a7f444624de..f92f00d59227206dcddd22b2d7ae6c869a66c8ca 100644
--- a/chrome/installer/util/chrome_browser_operations.cc
+++ b/chrome/installer/util/chrome_browser_operations.cc
@@ -50,11 +50,6 @@ void ChromeBrowserOperations::AddKeyFiles(
   key_files->push_back(base::FilePath(installer::kChromeDll));
 }
 
-void ChromeBrowserOperations::AddComDllList(
-    const std::set<base::string16>& options,
-    std::vector<base::FilePath>* com_dll_list) const {
-}
-
 void ChromeBrowserOperations::AppendProductFlags(
     const std::set<base::string16>& options,
     base::CommandLine* cmd_line) const {