Move StringToLowerASCII to base namespace

gpu/command_buffer/service/feature_info.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 "gpu/command_buffer/service/feature_info.h"
 
 #include <set>
 
 #include "base/command_line.h"
 #include "base/macros.h"
@@ skipping 221 matching lines @@
   const char* renderer_str =
       reinterpret_cast<const char*>(glGetString(GL_RENDERER));
   if (renderer_str) {
     feature_flags_.is_angle = StartsWithASCII(renderer_str, "ANGLE", true);
   }
 
   bool is_es3 = false;
   const char* version_str =
       reinterpret_cast<const char*>(glGetString(GL_VERSION));
   if (version_str) {
-    std::string lstr(StringToLowerASCII(std::string(version_str)));
+    std::string lstr(base::StringToLowerASCII(std::string(version_str)));
     is_es3 = (lstr.substr(0, 12) == "opengl es 3.");
   }
 
   AddExtensionString("GL_ANGLE_translated_shader_source");
   AddExtensionString("GL_CHROMIUM_async_pixel_transfers");
   AddExtensionString("GL_CHROMIUM_bind_uniform_location");
   AddExtensionString("GL_CHROMIUM_command_buffer_query");
   AddExtensionString("GL_CHROMIUM_command_buffer_latency_query");
   AddExtensionString("GL_CHROMIUM_copy_texture");
   AddExtensionString("GL_CHROMIUM_get_error_query");
@@ skipping 591 matching lines @@
   if (pos == std::string::npos) {
     extensions_ += (extensions_.empty() ? "" : " ") + str;
   }
 }
 
 FeatureInfo::~FeatureInfo() {
 }
 
 }  // namespace gles2
 }  // namespace gpu