cc: Rename Texture class to Resource.

cc/texture.h

-// 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.
-
-#ifndef CC_TEXTURE_H_
-#define CC_TEXTURE_H_
-
-#include "cc/cc_export.h"
-#include "cc/resource_provider.h"
-#include "third_party/khronos/GLES2/gl2.h"
-#include "ui/gfx/size.h"
-
-namespace cc {
-
-class CC_EXPORT Texture {
-public:
-    Texture() : m_id(0) { }
-    Texture(unsigned id, gfx::Size size, GLenum format)
-        : m_id(id)
-        , m_size(size)
-        , m_format(format) { }
-
-    ResourceProvider::ResourceId id() const { return m_id; }
-    const gfx::Size& size() const { return m_size; }
-    GLenum format() const { return m_format; }
-
-    void setId(ResourceProvider::ResourceId id) { m_id = id; }
-    void setDimensions(const gfx::Size&, GLenum format);
-
-    size_t bytes() const;
-
-    static size_t bytesPerPixel(GLenum format);
-    static size_t memorySizeBytes(const gfx::Size&, GLenum format);
-
-private:
-    ResourceProvider::ResourceId m_id;
-    gfx::Size m_size;
-    GLenum m_format;
-};
-
-}
-
-#endif  // CC_TEXTURE_H_