Remove implicit conversions from scoped_refptr to T* in content/

content/browser/renderer_host/render_widget_host_view_mac.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 "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #import <objc/runtime.h>
 #include <OpenGL/gl.h>
 #include <QuartzCore/QuartzCore.h>
 
@@ skipping 721 matching lines @@
           switches::kDisableGpuVsync);
   if (is_vsync_disabled)
     return;
 
   NSScreen* screen = [[cocoa_view_ window] screen];
   NSDictionary* screen_description = [screen deviceDescription];
   NSNumber* screen_number = [screen_description objectForKey:@"NSScreenNumber"];
   CGDirectDisplayID display_id = [screen_number unsignedIntValue];
 
   display_link_ = DisplayLinkMac::GetForDisplay(display_id);
-  if (!display_link_) {
+  if (!display_link_.get()) {
     // Note that on some headless systems, the display link will fail to be
     // created, so this should not be a fatal error.
     LOG(ERROR) << "Failed to create display link.";
   }
 }
 
 void RenderWidgetHostViewMac::SendVSyncParametersToRenderer() {
-  if (!render_widget_host_ || !display_link_)
+  if (!render_widget_host_ || !display_link_.get())
     return;
 
   if (!display_link_->GetVSyncParameters(&vsync_timebase_, &vsync_interval_)) {
     vsync_timebase_ = base::TimeTicks();
     vsync_interval_ = base::TimeDelta();
     return;
   }
 
   render_widget_host_->UpdateVSyncParameters(vsync_timebase_, vsync_interval_);
 }
@@ skipping 2583 matching lines @@
 
 // "-webkit-app-region: drag | no-drag" is implemented on Mac by excluding
 // regions that are not draggable. (See ControlRegionView in
 // native_app_window_cocoa.mm). This requires the render host view to be
 // draggable by default.
 - (BOOL)mouseDownCanMoveWindow {
   return YES;
 }
 
 @end