Move StartsWith[ASCII] to base namespace.

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 43b76c7170e0a3f74e4b147270cf884bb7e3c502..a560b7bd5adc514be2e63f078c91041b953b8228 100644
--- a/chrome/installer/gcapi/gcapi.cc
+++ b/chrome/installer/gcapi/gcapi.cc
@@ -366,9 +366,9 @@ BOOL CALLBACK ChromeWindowEnumProc(HWND hwnd, LPARAM lparam) {
 
   if (!params->shunted_hwnds.count(hwnd) &&
       ::GetClassName(hwnd, window_class, arraysize(window_class)) &&
-      StartsWith(window_class, kChromeWindowClassPrefix, false) &&
-      ::SetWindowPos(hwnd, params->window_insert_after, params->x,
-                     params->y, params->width, params->height, params->flags)) {
+      base::StartsWith(window_class, kChromeWindowClassPrefix, false) &&
+      ::SetWindowPos(hwnd, params->window_insert_after, params->x, params->y,
+                     params->width, params->height, params->flags)) {
     params->shunted_hwnds.insert(hwnd);
     params->success = true;
   }