clang/win: Let some chromium_code targets build with -Wextra.

content/common/cursors/webcursor.cc

 // Copyright (c) 2012 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 "content/common/cursors/webcursor.h"
 
 #include "base/logging.h"
 #include "base/pickle.h"
 #include "third_party/WebKit/public/platform/WebImage.h"
 
@@ skipping 174 matching lines @@
     { LoadCursor(NULL, IDC_WAIT),        WebCursorInfo::TypeWait },
     { LoadCursor(NULL, IDC_HELP),        WebCursorInfo::TypeHelp },
     { LoadCursor(NULL, IDC_SIZENESW),    WebCursorInfo::TypeNorthEastResize },
     { LoadCursor(NULL, IDC_SIZENWSE),    WebCursorInfo::TypeNorthWestResize },
     { LoadCursor(NULL, IDC_SIZENS),      WebCursorInfo::TypeNorthSouthResize },
     { LoadCursor(NULL, IDC_SIZEWE),      WebCursorInfo::TypeEastWestResize },
     { LoadCursor(NULL, IDC_SIZEALL),     WebCursorInfo::TypeMove },
     { LoadCursor(NULL, IDC_APPSTARTING), WebCursorInfo::TypeProgress },
     { LoadCursor(NULL, IDC_NO),          WebCursorInfo::TypeNotAllowed },
   };
-  for (int i = 0; i < arraysize(kStandardCursors); ++i) {
-    if (cursor == kStandardCursors[i].cursor)
-      return kStandardCursors[i].type;
+  for (const auto& kStandardCursor : kStandardCursors) {
+    if (cursor == kStandardCursor.cursor)
+      return kStandardCursor.type;
   }
   return WebCursorInfo::TypeCustom;
 }
 
 void WebCursor::InitFromExternalCursor(HCURSOR cursor) {
   WebCursorInfo::Type cursor_type = ToCursorType(cursor);
 
   InitFromCursorInfo(CursorInfo(cursor_type));
 
   if (cursor_type == WebCursorInfo::TypeCustom)
@@ skipping 54 matching lines @@
     return;
 
   // Clamp the hotspot to the custom image's dimensions.
   hotspot_.set_x(std::max(0,
                           std::min(custom_size_.width() - 1, hotspot_.x())));
   hotspot_.set_y(std::max(0,
                           std::min(custom_size_.height() - 1, hotspot_.y())));
 }
 
 }  // namespace content