color: Use ICCProfile from display::Display instead of FromBestMonitor

cc/surfaces/surface_aggregator.h

 // Copyright 2014 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_SURFACES_SURFACE_AGGREGATOR_H_
 #define CC_SURFACES_SURFACE_AGGREGATOR_H_
 
 #include <memory>
 #include <unordered_map>
 
@@ skipping 135 matching lines @@
   // used in the aggregated frame. An entry is removed from the map if it's not
   // used for one output frame.
   base::flat_map<std::pair<SurfaceId, RenderPassId>, RenderPassInfo>
       render_pass_allocator_map_;
   RenderPassId next_render_pass_id_;
   const bool aggregate_only_damaged_;
   bool output_is_secure_;
 
   // The color space for the root render pass. If this is different from
   // |blending_color_space_|, then a final render pass to convert between
-  // the two will be added.
-  gfx::ColorSpace output_color_space_;
+  // the two will be added. This space must always be valid.
+  gfx::ColorSpace output_color_space_ = gfx::ColorSpace::CreateSRGB();
   // The color space in which blending is done, used for all non-root render
-  // passes.
-  gfx::ColorSpace blending_color_space_;
+  // passes. This space must always be valid.
+  gfx::ColorSpace blending_color_space_ = gfx::ColorSpace::CreateSRGB();
   // The id for the final color conversion render pass.
   RenderPassId color_conversion_render_pass_id_ = 0;
 
   base::flat_map<SurfaceId, int> surface_id_to_resource_child_id_;
 
   // The following state is only valid for the duration of one Aggregate call
   // and is only stored on the class to avoid having to pass through every
   // function call.
 
   // This is the set of surfaces referenced in the aggregation so far, used to
@@ skipping 35 matching lines @@
   SurfaceDrawQuadUmaStats uma_stats_;
 
   base::WeakPtrFactory<SurfaceAggregator> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SurfaceAggregator);
 };
 
 }  // namespace cc
 
 #endif  // CC_SURFACES_SURFACE_AGGREGATOR_H_