Fix auto raw pointer deduction on linux

content/browser/renderer_host/render_widget_host_view_aura_unittest.cc

 // 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 "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <tuple>
@@ skipping 1575 matching lines @@
   sink_->ClearMessages();
 
   aura_test_helper_->test_screen()->SetDeviceScaleFactor(2.0f);
   EXPECT_EQ("200x200", view_->GetPhysicalBackingSize().ToString());
   // Extra ScreenInfoChanged message for |parent_view_|.
   // Changing the device scale factor triggers the
   // RenderWidgetHostViewAura::OnDisplayMetricsChanged() observer callback,
   // which sends a ViewMsg_Resize::ID message to the renderer.
   EXPECT_EQ(1u, sink_->message_count());
   EXPECT_EQ(ViewMsg_Resize::ID, sink_->GetMessageAt(0)->type());
-  auto view_delegate = static_cast<MockRenderWidgetHostDelegate*>(
+  auto* view_delegate = static_cast<MockRenderWidgetHostDelegate*>(
       static_cast<RenderWidgetHostImpl*>(view_->GetRenderWidgetHost())
           ->delegate());
   EXPECT_EQ(2.0f, view_delegate->get_last_device_scale_factor());
 
   widget_host_->ResetSizeAndRepaintPendingFlags();
   sink_->ClearMessages();
 
   aura_test_helper_->test_screen()->SetDeviceScaleFactor(1.0f);
   // Extra ScreenInfoChanged message for |parent_view_|.
   EXPECT_EQ(1u, sink_->message_count());
@@ skipping 3160 matching lines @@
     // There is no composition in the beginning.
     EXPECT_FALSE(has_composition_text());
     SetHasCompositionTextToTrue();
     view->ImeCancelComposition();
     // The composition must have been canceled.
     EXPECT_FALSE(has_composition_text());
   }
 }
 
 }  // namespace content