Remove some of the instrumentation plumbing

cc/output/gl_renderer.cc

 // Copyright 2010 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/output/gl_renderer.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 #include <string>
@@ skipping 1987 matching lines @@
     on_demand_tile_raster_resource_id_ = resource_provider_->CreateGLTexture(
         quad->texture_size,
         GL_TEXTURE_2D,
         GL_TEXTURE_POOL_UNMANAGED_CHROMIUM,
         GL_CLAMP_TO_EDGE,
         ResourceProvider::TextureHintImmutable,
         quad->texture_format);
   }
 
   SkCanvas canvas(on_demand_tile_raster_bitmap_);
-  quad->picture_pile->PlaybackToCanvas(
-      &canvas, quad->content_rect, quad->contents_scale, NULL);
+  quad->picture_pile->PlaybackToCanvas(&canvas, quad->content_rect,
+                                       quad->contents_scale);
 
   uint8_t* bitmap_pixels = NULL;
   SkBitmap on_demand_tile_raster_bitmap_dest;
   SkColorType colorType = ResourceFormatToSkColorType(quad->texture_format);
   if (on_demand_tile_raster_bitmap_.colorType() != colorType) {
     on_demand_tile_raster_bitmap_.copyTo(&on_demand_tile_raster_bitmap_dest,
                                          colorType);
     // TODO(kaanb): The GL pipeline assumes a 4-byte alignment for the
     // bitmap data. This check will be removed once crbug.com/293728 is fixed.
     CHECK_EQ(0u, on_demand_tile_raster_bitmap_dest.rowBytes() % 4);
@@ skipping 1323 matching lines @@
     context_support_->ScheduleOverlayPlane(
         overlay.plane_z_order,
         overlay.transform,
         pending_overlay_resources_.back()->texture_id(),
         overlay.display_rect,
         overlay.uv_rect);
   }
 }
 
 }  // namespace cc