Fix auto raw pointer deduction on linux

content/browser/renderer_host/render_widget_host_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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <tuple>
 
@@ skipping 796 matching lines @@
 // Test that a resize event is sent if WasResized() is called after a
 // ScreenInfo change.
 TEST_F(RenderWidgetHostTest, ResizeScreenInfo) {
   ScreenInfo screen_info;
   screen_info.device_scale_factor = 1.f;
   screen_info.rect = blink::WebRect(0, 0, 800, 600);
   screen_info.available_rect = blink::WebRect(0, 0, 800, 600);
   screen_info.orientation_angle = 0;
   screen_info.orientation_type = SCREEN_ORIENTATION_VALUES_PORTRAIT_PRIMARY;
 
-  auto host_delegate =
+  auto* host_delegate =
       static_cast<MockRenderWidgetHostDelegate*>(host_->delegate());
 
   host_delegate->SetScreenInfo(screen_info);
   host_->WasResized();
   EXPECT_FALSE(host_->resize_ack_pending_);
   EXPECT_TRUE(process_->sink().GetUniqueMessageMatching(ViewMsg_Resize::ID));
   process_->sink().ClearMessages();
 
   screen_info.orientation_angle = 180;
   screen_info.orientation_type = SCREEN_ORIENTATION_VALUES_LANDSCAPE_PRIMARY;
@@ skipping 915 matching lines @@
                                       ui::LatencyInfo());
 
 
   // Tests RWHI::ForwardWheelEventWithLatencyInfo().
   SimulateWheelEventWithLatencyInfo(-5, 0, 0, true, ui::LatencyInfo());
 
   ASSERT_FALSE(host_->input_router()->HasPendingEvents());
 }
 
 }  // namespace content