Fix uninitialized var in DirectRenderer

cc/output/direct_renderer.cc

 // Copyright 2012 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/direct_renderer.h"
 
 #include <stddef.h>
 
 #include <unordered_map>
 #include <utility>
@@ skipping 54 matching lines @@
 
 DirectRenderer::DrawingFrame::DrawingFrame() = default;
 DirectRenderer::DrawingFrame::~DrawingFrame() = default;
 
 DirectRenderer::DirectRenderer(const RendererSettings* settings,
                                OutputSurface* output_surface,
                                ResourceProvider* resource_provider)
     : settings_(settings),
       output_surface_(output_surface),
       resource_provider_(resource_provider),
-      overlay_processor_(new OverlayProcessor(output_surface)) {}
+      overlay_processor_(new OverlayProcessor(output_surface)),
+      visible_(false) {}

[danakj, 2016/08/17 22:08:37]

Can you just do it in the header file but LGTM

 
 DirectRenderer::~DirectRenderer() = default;
 
 void DirectRenderer::Initialize() {
   overlay_processor_->Initialize();
 
   auto* context_provider = output_surface_->context_provider();
 
   use_partial_swap_ = settings_->partial_swap_enabled && CanPartialSwap();
   allow_empty_swap_ = use_partial_swap_;
@@ skipping 499 matching lines @@
   auto iter = render_pass_textures_.find(id);
   return iter != render_pass_textures_.end() && iter->second->id();
 }
 
 // static
 gfx::Size DirectRenderer::RenderPassTextureSize(const RenderPass* render_pass) {
   return render_pass->output_rect.size();
 }
 
 }  // namespace cc