Remove auto raw pointer deduction from non-linux specific code.

ui/accelerated_widget_mac/ca_renderer_layer_tree.mm

 // Copyright 2016 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 "ui/accelerated_widget_mac/ca_renderer_layer_tree.h"
 
 #import <AVFoundation/AVFoundation.h>
 #include <CoreMedia/CoreMedia.h>
 #include <CoreVideo/CoreVideo.h>
 #include <GLES2/gl2extchromium.h>
@@ skipping 136 matching lines @@
 
   SkColor color_ = 0;
   base::ScopedCFTypeRef<IOSurfaceRef> io_surface_;
 };
 
 // static
 scoped_refptr<CARendererLayerTree::SolidColorContents>
 CARendererLayerTree::SolidColorContents::Get(SkColor color) {
   const int kSolidColorContentsSize = 16;
 
-  auto map = GetMap();
+  auto* map = GetMap();
   auto found = map->find(color);
   if (found != map->end())
     return found->second;
 
   IOSurfaceRef io_surface = CreateIOSurface(
       gfx::Size(kSolidColorContentsSize, kSolidColorContentsSize),
       gfx::BufferFormat::BGRA_8888);
   if (!io_surface)
     return nullptr;
 
@@ skipping 13 matching lines @@
 }
 
 id CARendererLayerTree::SolidColorContents::GetContents() const {
   return static_cast<id>(io_surface_.get());
 }
 
 CARendererLayerTree::SolidColorContents::SolidColorContents(
     SkColor color,
     IOSurfaceRef io_surface)
     : color_(color), io_surface_(io_surface) {
-  auto map = GetMap();
+  auto* map = GetMap();
   DCHECK(map->find(color_) == map->end());
   map->insert(std::make_pair(color_, this));
 }
 
 CARendererLayerTree::SolidColorContents::~SolidColorContents() {
-  auto map = GetMap();
+  auto* map = GetMap();
   auto found = map->find(color_);
   DCHECK(found != map->end());
   DCHECK(found->second == this);
   map->erase(color_);
 }
 
 // static
 std::map<SkColor, CARendererLayerTree::SolidColorContents*>*
 CARendererLayerTree::SolidColorContents::GetMap() {
-  static auto map = new std::map<SkColor, SolidColorContents*>();
+  static auto* map = new std::map<SkColor, SolidColorContents*>();
   return map;
 }
 
 CARendererLayerTree::CARendererLayerTree(
     bool allow_av_sample_buffer_display_layer,
     bool allow_solid_color_layers)
     : allow_av_sample_buffer_display_layer_(
           allow_av_sample_buffer_display_layer),
       allow_solid_color_layers_(allow_solid_color_layers) {}
 CARendererLayerTree::~CARendererLayerTree() {}
@@ skipping 524 matching lines @@
     } else {
       // Grey represents a CALayer that has not changed.
       color.reset(CGColorCreateGenericRGB(0.5, 0.5, 0.5, 1));
     }
     [ca_layer setBorderWidth:1];
     [ca_layer setBorderColor:color];
   }
 }
 
 }  // namespace ui