cc: Specify rasterization color space

cc/trees/layer_tree_host_impl.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 "cc/trees/layer_tree_host_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 1312 matching lines @@
     bool is_likely_to_require_a_draw) {
   // Proactively tell the scheduler that we expect to draw within each vsync
   // until we get all the tiles ready to draw. If we happen to miss a required
   // for draw tile here, then we will miss telling the scheduler each frame that
   // we intend to draw so it may make worse scheduling decisions.
   is_likely_to_require_a_draw_ = is_likely_to_require_a_draw;
 }
 
 gfx::ColorSpace LayerTreeHostImpl::GetTileColorSpace() const {
   if (!sync_tree())
-    return gfx::ColorSpace();
+    return gfx::ColorSpace::CreateSRGB();
   return sync_tree()->device_color_space();
 }
 
 void LayerTreeHostImpl::RequestImplSideInvalidation() {
   client_->NeedsImplSideInvalidation();
 }
 
 void LayerTreeHostImpl::NotifyReadyToActivate() {
   client_->NotifyReadyToActivate();
 }
@@ skipping 2433 matching lines @@
     // Must resize the bitmap to fit within the max texture size.
     scaled = true;
     int edge = std::max(source_size.width(), source_size.height());
     float scale = static_cast<float>(max_texture_size - 1) / edge;
     DCHECK_LT(scale, 1.f);
     upload_size = gfx::ScaleToCeiledSize(source_size, scale, scale);
   }
 
   id = resource_provider_->CreateResource(
       upload_size, ResourceProvider::TEXTURE_HINT_IMMUTABLE, format,
-      gfx::ColorSpace());
+      gfx::ColorSpace::CreateSRGB());
 
   if (!scaled) {
     AutoLockUIResourceBitmap bitmap_lock(bitmap);
     auto* pixels = bitmap_lock.GetPixels();
     resource_provider_->CopyToResource(id, pixels, source_size);
   } else {
     // Only support auto-resizing for N32 textures (since this is primarily for
     // scrollbars). Users of other types need to ensure they are not too big.
     DCHECK_EQ(bitmap.GetFormat(), UIResourceBitmap::RGBA8);
 
@@ skipping 361 matching lines @@
       worker_context_visibility_ =
           worker_context->CacheController()->ClientBecameVisible();
     } else {
       worker_context->CacheController()->ClientBecameNotVisible(
           std::move(worker_context_visibility_));
     }
   }
 }
 
 }  // namespace cc