ui: Add methods to clamp Sizes, Points, and Vectors from above or below.

cc/tiled_layer.cc

 // Copyright 2011 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/tiled_layer.h"
 
 #include "base/basictypes.h"
 #include "cc/geometry.h"
@@ skipping 116 matching lines @@
     bool isTiled;
     if (m_tilingOption == AlwaysTile)
         isTiled = true;
     else if (m_tilingOption == NeverTile)
         isTiled = false;
     else
         isTiled = autoTiled;
 
     gfx::Size requestedSize = isTiled ? tileSize : contentBounds();
     const int maxSize = layerTreeHost()->rendererCapabilities().maxTextureSize;
-    gfx::Size clampedSize = ClampSizeFromAbove(requestedSize, gfx::Size(maxSize, maxSize));
-    setTileSize(clampedSize);
+    requestedSize.ClampFromAbove(gfx::Size(maxSize, maxSize));
+    setTileSize(requestedSize);
 }
 
 void TiledLayer::updateBounds()
 {
     gfx::Size oldBounds = m_tiler->bounds();
     gfx::Size newBounds = contentBounds();
     if (oldBounds == newBounds)
         return;
     m_tiler->setBounds(newBounds);
 
@@ skipping 627 matching lines @@
     gfx::Rect prepaintRect = visibleContentRect();
     prepaintRect.Inset(-m_tiler->tileSize().width() * prepaintColumns,
                        -m_tiler->tileSize().height() * prepaintRows);
     gfx::Rect contentRect(gfx::Point(), contentBounds());
     prepaintRect.Intersect(contentRect);
 
     return prepaintRect;
 }
 
 }  // namespace cc