Move all CARendererLayerTree parameters to separate struct.

ui/accelerated_widget_mac/ca_renderer_layer_tree.h

 // Copyright 2016 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 UI_ACCELERATED_WIDGET_MAC_CA_RENDERER_LAYER_TREE_H_
 #define UI_ACCELERATED_WIDGET_MAC_CA_RENDERER_LAYER_TREE_H_
 
 #include <IOSurface/IOSurface.h>
 #include <QuartzCore/QuartzCore.h>
 
 #include <deque>
 #include <memory>
 #include <vector>
 
 #include "base/mac/scoped_cftyperef.h"
 #include "base/mac/scoped_nsobject.h"
 #include "ui/accelerated_widget_mac/accelerated_widget_mac_export.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/mac/io_surface.h"
 #include "ui/gfx/transform.h"
 
 @class AVSampleBufferDisplayLayer;
 
 namespace ui {
 
+struct CARendererLayerParams;
+
 // The CARendererLayerTree will construct a hierarchy of CALayers from a linear
 // list provided by the CoreAnimation renderer using the algorithm and structure
 // referenced described in
 // https://docs.google.com/document/d/1DtSN9zzvCF44_FQPM7ie01UxGHagQ66zfF5L9HnigQY/edit?usp=sharing
 class ACCELERATED_WIDGET_MAC_EXPORT CARendererLayerTree {
  public:
   CARendererLayerTree();
 
   // This will remove all CALayers from this tree from their superlayer.
   ~CARendererLayerTree();
 
   // Append the description of a new CALayer to the tree. This will not
   // create any new CALayers until CommitScheduledCALayers is called. This
   // cannot be called anymore after CommitScheduledCALayers has been called.
-  bool ScheduleCALayer(bool is_clipped,
-                       const gfx::Rect& clip_rect,
-                       unsigned sorting_context_id,
-                       const gfx::Transform& transform,
-                       base::ScopedCFTypeRef<IOSurfaceRef> io_surface,
-                       base::ScopedCFTypeRef<CVPixelBufferRef> cv_pixel_buffer,
-                       const gfx::RectF& contents_rect,
-                       const gfx::Rect& rect,
-                       unsigned background_color,
-                       unsigned edge_aa_mask,
-                       float opacity,
-                       unsigned filter);
+  bool ScheduleCALayer(const CARendererLayerParams& params);
 
   // Create a CALayer tree for the scheduled layers, and set |superlayer| to
   // have only this tree as its sublayers. If |old_tree| is non-null, then try
   // to re-use the CALayers of |old_tree| as much as possible. |old_tree| will
   // be destroyed at the end of the function, and any CALayers in it which were
   // not re-used by |this| will be removed from the CALayer hierarchy.
   void CommitScheduledCALayers(CALayer* superlayer,
                                std::unique_ptr<CARendererLayerTree> old_tree,
                                float scale_factor);
 
@@ skipping 12 matching lines @@
 
   struct RootLayer {
     RootLayer();
 
     // This will remove |ca_layer| from its superlayer, if |ca_layer| is
     // non-nil.
     ~RootLayer();
 
     // Append a new content layer, without modifying the actual CALayer
     // structure.
-    bool AddContentLayer(
-        bool is_clipped,
-        const gfx::Rect& clip_rect,
-        unsigned sorting_context_id,
-        const gfx::Transform& transform,
-        base::ScopedCFTypeRef<IOSurfaceRef> io_surface,
-        base::ScopedCFTypeRef<CVPixelBufferRef> cv_pixel_buffer,
-        const gfx::RectF& contents_rect,
-        const gfx::Rect& rect,
-        unsigned background_color,
-        unsigned edge_aa_mask,
-        float opacity,
-        unsigned filter);
+    bool AddContentLayer(const CARendererLayerParams& params);
 
     // Allocate CALayers for this layer and its children, and set their
     // properties appropriately. Re-use the CALayers from |old_layer| if
     // possible. If re-using a CALayer from |old_layer|, reset its |ca_layer|
     // to nil, so that its destructor will not remove an active CALayer.
     void CommitToCA(CALayer* superlayer,
                     RootLayer* old_layer,
                     float scale_factor);
 
     std::vector<ClipAndSortingLayer> clip_and_sorting_layers;
     base::scoped_nsobject<CALayer> ca_layer;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(RootLayer);
   };
   struct ClipAndSortingLayer {
     ClipAndSortingLayer(bool is_clipped,
                         gfx::Rect clip_rect,
                         unsigned sorting_context_id,
                         bool is_singleton_sorting_context);
     ClipAndSortingLayer(ClipAndSortingLayer&& layer);
 
     // See the behavior of RootLayer for the effects of these functions on the
     // |ca_layer| member and |old_layer| argument.
     ~ClipAndSortingLayer();
-    void AddContentLayer(
-        const gfx::Transform& transform,
-        base::ScopedCFTypeRef<IOSurfaceRef> io_surface,
-        base::ScopedCFTypeRef<CVPixelBufferRef> cv_pixel_buffer,
-        const gfx::RectF& contents_rect,
-        const gfx::Rect& rect,
-        unsigned background_color,
-        unsigned edge_aa_mask,
-        float opacity,
-        unsigned filter);
+    void AddContentLayer(const CARendererLayerParams& params);
     void CommitToCA(CALayer* superlayer,
                     ClipAndSortingLayer* old_layer,
                     float scale_factor);
 
     std::vector<TransformLayer> transform_layers;
     bool is_clipped = false;
     gfx::Rect clip_rect;
     unsigned sorting_context_id = 0;
     bool is_singleton_sorting_context = false;
     base::scoped_nsobject<CALayer> ca_layer;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(ClipAndSortingLayer);
   };
   struct TransformLayer {
     TransformLayer(const gfx::Transform& transform);
     TransformLayer(TransformLayer&& layer);
 
     // See the behavior of RootLayer for the effects of these functions on the
     // |ca_layer| member and |old_layer| argument.
     ~TransformLayer();
-    void AddContentLayer(
-        base::ScopedCFTypeRef<IOSurfaceRef> io_surface,
-        base::ScopedCFTypeRef<CVPixelBufferRef> cv_pixel_buffer,
-        const gfx::RectF& contents_rect,
-        const gfx::Rect& rect,
-        unsigned background_color,
-        unsigned edge_aa_mask,
-        float opacity,
-        unsigned filter);
+    void AddContentLayer(const CARendererLayerParams& params);
     void CommitToCA(CALayer* superlayer,
                     TransformLayer* old_layer,
                     float scale_factor);
 
     gfx::Transform transform;
     std::vector<ContentLayer> content_layers;
     base::scoped_nsobject<CALayer> ca_layer;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(TransformLayer);
@@ skipping 44 matching lines @@
   float scale_factor_ = 1;
   bool has_committed_ = false;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CARendererLayerTree);
 };
 
 }  // namespace ui
 
 #endif  // UI_ACCELERATED_WIDGET_MAC_CA_LAYER_TREE_MAC_H_