Allow one-copy task tile worker pool to use compressed textures.

content/renderer/gpu/render_widget_compositor.cc

 // Copyright (c) 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 "content/renderer/gpu/render_widget_compositor.h"
 
 #include <limits>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 351 matching lines @@
         *cmd,
         cc::switches::kSlowDownRasterScaleFactor,
         kMinSlowDownScaleFactor,
         kMaxSlowDownScaleFactor,
         &settings.initial_debug_state.slow_down_raster_scale_factor);
   }
 
   settings.strict_layer_property_change_checking =
       cmd->HasSwitch(cc::switches::kStrictLayerPropertyChangeChecking);
 
+  settings.renderer_settings.use_tile_compression =
+      cmd->HasSwitch(cc::switches::kEnableTileCompression);
+
 #if defined(OS_ANDROID)
   SynchronousCompositorFactory* synchronous_compositor_factory =
       SynchronousCompositorFactory::GetInstance();
 
   // We can't use GPU rasterization on low-end devices, because the Ganesh
   // cache would consume too much memory.
   if (base::SysInfo::IsLowEndDevice())
     settings.gpu_rasterization_enabled = false;
   settings.using_synchronous_renderer_compositor =
       synchronous_compositor_factory;
@@ skipping 623 matching lines @@
         blink::WebWidget::RenderEvent, frameId, webEvents);
   }
 }
 
 void RenderWidgetCompositor::SetSurfaceIdNamespace(
     uint32_t surface_id_namespace) {
   layer_tree_host_->set_surface_id_namespace(surface_id_namespace);
 }
 
 }  // namespace content