src/: Update the remaining include paths of string_split.h to its new location.

cc/resource_provider.cc

 // Copyright 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 "cc/resource_provider.h"
 
 #include <limits.h>
 
 #include "base/debug/alias.h"
 #include "base/hash_tables.h"
 #include "base/stl_util.h"
-#include "base/string_split.h"
 #include "base/string_util.h"
+#include "base/strings/string_split.h"
 #include "cc/context_provider.h"
 #include "cc/gl_renderer.h" // For the GLC() macro.
 #include "cc/platform_color.h"
 #include "cc/texture_uploader.h"
 #include "cc/transferable_resource.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "ui/gfx/rect.h"
@@ skipping 1124 matching lines @@
     resource->enableReadLockFences = enable;
 }
 
 void ResourceProvider::setOffscreenContextProvider(scoped_refptr<cc::ContextProvider> offscreenContextProvider) {
   if (offscreenContextProvider)
       offscreenContextProvider->BindToCurrentThread();
   m_offscreenContextProvider = offscreenContextProvider;
 }
 
 }  // namespace cc