Use base::StartWith() in more places when appropriate.

ui/display/chromeos/x11/display_util_x11.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/display/chromeos/x11/display_util_x11.h"
 
 #include "base/macros.h"
+#include "base/strings/string_util.h"
 
 namespace ui {
 
 namespace {
 
 struct DisplayConnectionTypeMapping {
   // Prefix of output name.
   const char* name;
   DisplayConnectionType type;
 };
 
 const DisplayConnectionTypeMapping kDisplayConnectionTypeMapping[] = {
     {"LVDS", DISPLAY_CONNECTION_TYPE_INTERNAL},
     {"eDP", DISPLAY_CONNECTION_TYPE_INTERNAL},
     {"DSI", DISPLAY_CONNECTION_TYPE_INTERNAL},
     {"VGA", DISPLAY_CONNECTION_TYPE_VGA},
     {"HDMI", DISPLAY_CONNECTION_TYPE_HDMI},
     {"DVI", DISPLAY_CONNECTION_TYPE_DVI},
     {"DP", DISPLAY_CONNECTION_TYPE_DISPLAYPORT}};
 
 }  // namespace
 
 DisplayConnectionType GetDisplayConnectionTypeFromName(
     const std::string& name) {
   for (unsigned int i = 0; i < arraysize(kDisplayConnectionTypeMapping); ++i) {
-    if (name.find(kDisplayConnectionTypeMapping[i].name) == 0) {
+    if (base::StartsWith(name, kDisplayConnectionTypeMapping[i].name,
+                         base::CompareCase::SENSITIVE)) {
       return kDisplayConnectionTypeMapping[i].type;
     }
   }
 
   return DISPLAY_CONNECTION_TYPE_UNKNOWN;
 }
 
 }  // namespace ui