cc: Rename visible_content_rect and content stuff on quads.

cc/layers/draw_properties.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_LAYERS_DRAW_PROPERTIES_H_
 #define CC_LAYERS_DRAW_PROPERTIES_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/trees/occlusion.h"
 #include "third_party/skia/include/core/SkXfermode.h"
@@ skipping 63 matching lines @@
   bool can_use_lcd_text;
 
   // True if the layer needs to be clipped by clip_rect.
   bool is_clipped;
 
   // The layer whose coordinate space this layer draws into. This can be
   // either the same layer (draw_properties_.render_target == this) or an
   // ancestor of this layer.
   LayerType* render_target;
 
-  // This rect is in the layer's content space.
-  gfx::Rect visible_content_rect;
+  // This rect is a bounding box around what part of the layer is visible, in
+  // the layer's coordinate space.
+  gfx::Rect visible_layer_rect;
 
   // In target surface space, the rect that encloses the clipped, drawable
   // content of the layer.
   gfx::Rect drawable_content_rect;
 
   // In target surface space, the original rect that clipped this layer. This
   // value is used to avoid unnecessarily changing GL scissor state.
   gfx::Rect clip_rect;
 
   // Number of descendants with a clip parent that is our ancestor. NB - this
@@ skipping 46 matching lines @@
   // have page scale applied and others not, this may differ between layers.
   float page_scale_factor;
 
   // The device scale factor that is applied to the layer.
   float device_scale_factor;
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_DRAW_PROPERTIES_H_