Move a bunch more random files from chrome\renderer to content\renderer.

chrome/renderer/paint_aggregator.h

-// Copyright (c) 2009 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 CHROME_RENDERER_PAINT_AGGREGATOR_H_
-#define CHROME_RENDERER_PAINT_AGGREGATOR_H_
-#pragma once
-
-#include <vector>
-
-#include "base/basictypes.h"
-#include "ui/gfx/rect.h"
-
-// This class is responsible for aggregating multiple invalidation and scroll
-// commands to produce a scroll and repaint sequence.
-class PaintAggregator {
- public:
-  // This structure describes an aggregation of InvalidateRect and ScrollRect
-  // calls.  If |scroll_rect| is non-empty, then that rect should be scrolled
-  // by the amount specified by |scroll_delta|.  If |paint_rects| is non-empty,
-  // then those rects should be repainted.  If |scroll_rect| and |paint_rects|
-  // are non-empty, then scrolling should be performed before repainting.
-  // |scroll_delta| can only specify scrolling in one direction (i.e., the x
-  // and y members cannot both be non-zero).
-  struct PendingUpdate {
-    PendingUpdate();
-    ~PendingUpdate();
-
-    // Returns the rect damaged by scrolling within |scroll_rect| by
-    // |scroll_delta|.  This rect must be repainted.
-    gfx::Rect GetScrollDamage() const;
-
-    // Returns the smallest rect containing all paint rects.
-    gfx::Rect GetPaintBounds() const;
-
-    gfx::Point scroll_delta;
-    gfx::Rect scroll_rect;
-    std::vector<gfx::Rect> paint_rects;
-  };
-
-  // There is a PendingUpdate if InvalidateRect or ScrollRect were called and
-  // ClearPendingUpdate was not called.
-  bool HasPendingUpdate() const;
-  void ClearPendingUpdate();
-
-  // Fills |update| and clears the pending update.
-  void PopPendingUpdate(PendingUpdate* update);
-
-  // The given rect should be repainted.
-  void InvalidateRect(const gfx::Rect& rect);
-
-  // The given rect should be scrolled by the given amounts.
-  void ScrollRect(int dx, int dy, const gfx::Rect& clip_rect);
-
- private:
-  gfx::Rect ScrollPaintRect(const gfx::Rect& paint_rect, int dx, int dy) const;
-  bool ShouldInvalidateScrollRect(const gfx::Rect& rect) const;
-  void InvalidateScrollRect();
-  void CombinePaintRects();
-
-  PendingUpdate update_;
-};
-
-#endif  // CHROME_RENDERER_PAINT_AGGREGATOR_H_