Optimize GetPathForVectorIcon*, save ~290 KB on disk

ui/gfx/vector_icons/vector_icons.cc.template

 // Copyright 2015 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.
 
 // vector_icons.cc.template is used to generate vector_icons.cc. Edit the former
 // rather than the latter.
 
 #include "ui/gfx/vector_icons/vector_icons.h"
 
 #include "base/logging.h"
 #include "ui/gfx/vector_icon_types.h"
 
 #define ICON_TEMPLATE(icon_name, ...) \
     case VectorIconId::icon_name: {\
-      static PathElement path[] = {__VA_ARGS__};\
+      static constexpr PathElement path[] = {__VA_ARGS__};\
       return path;\
     }
 
 namespace gfx {
 
-#if defined(OS_WIN)
-#pragma warning(push)
-
-// Disable "function size suppresses optimizations" warning.
-#pragma warning(disable: 4883)
-#endif  // defined(OS_WIN)
-
 const PathElement* GetPathForVectorIcon(VectorIconId id) {
   switch (id) {
 TEMPLATE_PLACEHOLDER
 
     case VectorIconId::VECTOR_ICON_NONE:
       NOTREACHED();
       return nullptr;
   }
 
   NOTREACHED();
   return nullptr;
 }
 
 const PathElement* GetPathForVectorIconAt1xScale(VectorIconId id) {
   switch (id) {
 TEMPLATE_PLACEHOLDER_1X
 
     default:
       return GetPathForVectorIcon(id);
   }
 }
 
-#if defined(OS_WIN)
-#pragma warning(pop)
-#endif  // defined(OS_WIN)
-
 }  // namespace gfx