Raster: Allow a RasterSource to specify its color space

cc/raster/zero_copy_raster_buffer_provider.cc

 // Copyright 2013 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/raster/zero_copy_raster_buffer_provider.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 
@@ skipping 30 matching lines @@
     if (!buffer)
       return;
 
     DCHECK_EQ(1u, gfx::NumberOfPlanesForBufferFormat(buffer->GetFormat()));
     bool rv = buffer->Map();
     DCHECK(rv);
     DCHECK(buffer->memory(0));
     // RasterBufferProvider::PlaybackToMemory only supports unsigned strides.
     DCHECK_GE(buffer->stride(0), 0);
 
+    sk_sp<SkColorSpace> raster_color_space =
+        raster_source->HasImpliedColorSpace() ? nullptr
+                                              : lock_.sk_color_space();
+
     // TODO(danakj): Implement partial raster with raster_dirty_rect.
     RasterBufferProvider::PlaybackToMemory(
         buffer->memory(0), resource_->format(), resource_->size(),
         buffer->stride(0), raster_source, raster_full_rect, raster_full_rect,
-        scales, lock_.sk_color_space(), playback_settings);
+        scales, raster_color_space, playback_settings);
     buffer->Unmap();
   }
 
  private:
   ResourceProvider::ScopedWriteLockGpuMemoryBuffer lock_;
   const Resource* resource_;
 
   DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl);
 };
 
@@ skipping 51 matching lines @@
 }
 
 bool ZeroCopyRasterBufferProvider::CanPartialRasterIntoProvidedResource()
     const {
   return false;
 }
 
 void ZeroCopyRasterBufferProvider::Shutdown() {}
 
 }  // namespace cc