Move special DEPTH_STENCIL attachment logic from command buffers to WebGL1

gpu/command_buffer/service/context_group.cc

Index: gpu/command_buffer/service/context_group.cc
diff --git a/gpu/command_buffer/service/context_group.cc b/gpu/command_buffer/service/context_group.cc
index eaaa0142da9c1ea236147c97cc18a5edcdbafce9..f8c67f832dadc81d9649f87a502c8af6cb7b2d72 100644
--- a/gpu/command_buffer/service/context_group.cc
+++ b/gpu/command_buffer/service/context_group.cc
@@ -206,9 +206,9 @@ bool ContextGroup::Initialize(GLES2Decoder* decoder,
 
   buffer_manager_.reset(
       new BufferManager(memory_tracker_.get(), feature_info_.get()));
-  framebuffer_manager_.reset(new FramebufferManager(
-      max_draw_buffers_, max_color_attachments_, feature_info_->context_type(),
-      framebuffer_completeness_cache_));
+  framebuffer_manager_.reset(
+      new FramebufferManager(max_draw_buffers_, max_color_attachments_,
+                             framebuffer_completeness_cache_));
   renderbuffer_manager_.reset(new RenderbufferManager(
       memory_tracker_.get(), max_renderbuffer_size, max_samples,
       feature_info_.get()));