Remove unused fields from //content.

content/browser/media/capture/web_contents_video_capture_device_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/media/capture/web_contents_video_capture_device.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 265 matching lines @@
                             bool swapped_out,
                             CaptureTestSourceController* controller)
       : TestRenderViewHost(instance,
                            base::WrapUnique(new CaptureTestRenderWidgetHost(
                                widget_delegate,
                                instance->GetProcess(),
                                routing_id,
                                controller)),
                            delegate,
                            main_frame_routing_id,
-                           swapped_out),
-        controller_(controller) {
+                           swapped_out) {
     // Override the default view installed by TestRenderViewHost; we need
     // our special subclass which has mocked-out tab capture support.
     RenderWidgetHostView* old_view = GetWidget()->GetView();
     GetWidget()->SetView(new CaptureTestView(GetWidget(), controller));
     delete old_view;
   }
 
  private:
-  CaptureTestSourceController* controller_;
-
   DISALLOW_IMPLICIT_CONSTRUCTORS(CaptureTestRenderViewHost);
 };
 
 class CaptureTestRenderViewHostFactory : public RenderViewHostFactory {
  public:
   explicit CaptureTestRenderViewHostFactory(
       CaptureTestSourceController* controller) : controller_(controller) {
     RegisterFactory(this);
   }
 
@@ skipping 913 matching lines @@
   for (int i = 0; i < 3; ++i) {
     SimulateRefreshFrameRequest();
     ASSERT_NO_FATAL_FAILURE(client_observer()->WaitForNextColor(SK_ColorGREEN));
   }
 
   device()->StopAndDeAllocate();
 }
 
 }  // namespace
 }  // namespace content