Remove some legacy versions of StartsWith and EndsWith.

chrome/installer/gcapi/gcapi.cc

Index: chrome/installer/gcapi/gcapi.cc
diff --git a/chrome/installer/gcapi/gcapi.cc b/chrome/installer/gcapi/gcapi.cc
index fb5829c39a8f44d1866a079190968bb73a34e5ff..ae22fa811d3b628cd2910475a5f52ba0b4138d23 100644
--- a/chrome/installer/gcapi/gcapi.cc
+++ b/chrome/installer/gcapi/gcapi.cc
@@ -361,7 +361,8 @@ BOOL CALLBACK ChromeWindowEnumProc(HWND hwnd, LPARAM lparam) {
 
   if (!params->shunted_hwnds.count(hwnd) &&
       ::GetClassName(hwnd, window_class, arraysize(window_class)) &&
-      base::StartsWith(window_class, kChromeWindowClassPrefix, false) &&
+      base::StartsWith(window_class, kChromeWindowClassPrefix,
+                       base::CompareCase::INSENSITIVE_ASCII) &&
       ::SetWindowPos(hwnd, params->window_insert_after, params->x, params->y,
                      params->width, params->height, params->flags)) {
     params->shunted_hwnds.insert(hwnd);