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

chrome/browser/ui/cocoa/history_menu_bridge_unittest.mm

 // Copyright (c) 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 "chrome/browser/ui/cocoa/history_menu_bridge.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include <initializer_list>
 #include <memory>
@@ skipping 92 matching lines @@
       std::initializer_list<MockTRS::Entry*> entries) {
     MockTRS::Entries ret;
     for (auto* entry : entries)
       ret.emplace_back(entry);
     return ret;
   }
 
   MockTRS::Tab* CreateSessionTab(SessionID::id_type id,
                                  const std::string& url,
                                  const std::string& title) {
-    auto tab = new MockTRS::Tab;
+    auto* tab = new MockTRS::Tab;
     tab->id = id;
     tab->current_navigation_index = 0;
     tab->navigations.push_back(
         sessions::SerializedNavigationEntryTestHelper::CreateNavigation(url,
                                                                         title));
     return tab;
   }
 
   MockTRS::Window* CreateSessionWindow(
       SessionID::id_type id,
       std::initializer_list<MockTRS::Tab*> tabs) {
-    auto window = new MockTRS::Window;
+    auto* window = new MockTRS::Window;
     window->id = id;
     window->tabs.reserve(tabs.size());
     for (auto* tab : tabs)
       window->tabs.emplace_back(std::move(tab));
     return window;
   }
 
   void GetFaviconForHistoryItem(HistoryMenuBridge::HistoryItem* item) {
     bridge_->GetFaviconForHistoryItem(item);
   }
@@ skipping 228 matching lines @@
   image_result.image = gfx::Image::CreateFrom1xBitmap(bitmap);
   GotFaviconData(&item, image_result);
 
   // Make sure the callback works.
   EXPECT_FALSE(item.icon_requested);
   EXPECT_TRUE(item.icon.get());
   EXPECT_TRUE([item.menu_item image]);
 }
 
 }  // namespace