cc: Rename Texture class to Resource.

cc/texture.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 "config.h"
-
-#include "cc/texture.h"
-#include "third_party/khronos/GLES2/gl2ext.h"
-
-namespace cc {
-
-void Texture::setDimensions(const gfx::Size& size, GLenum format)
-{
-    m_size = size;
-    m_format = format;
-}
-
-size_t Texture::bytes() const
-{
-    if (m_size.IsEmpty())
-        return 0u;
-
-    return memorySizeBytes(m_size, m_format);
-}
-
-size_t Texture::bytesPerPixel(GLenum format)
-{
-    unsigned int componentsPerPixel = 0;
-    unsigned int bytesPerComponent = 1;
-    switch (format) {
-    case GL_RGBA:
-    case GL_BGRA_EXT:
-        componentsPerPixel = 4;
-        break;
-    case GL_LUMINANCE:
-        componentsPerPixel = 1;
-        break;
-    default:
-        NOTREACHED();
-    }
-    return componentsPerPixel * bytesPerComponent;
-}
-
-size_t Texture::memorySizeBytes(const gfx::Size& size, GLenum format)
-{
-    return bytesPerPixel(format) * size.width() * size.height();
-}
-
-}  // namespace cc