Replace more ObserverList with base::ObserverList.

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 "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/shared_memory.h"
@@ skipping 426 matching lines @@
   void TearDown() override { TearDownEnvironment(); }
 
   void set_widget_host_uses_shutdown_to_destroy(bool use) {
     widget_host_uses_shutdown_to_destroy_ = use;
   }
 
   void SimulateMemoryPressure(
       base::MemoryPressureListener::MemoryPressureLevel level) {
     // Here should be base::MemoryPressureListener::NotifyMemoryPressure, but
     // since the RendererFrameManager is installing a MemoryPressureListener
-    // which uses ObserverListThreadSafe, which furthermore remembers the
+    // which uses base::ObserverListThreadSafe, which furthermore remembers the
     // message loop for the thread it was created in. Between tests, the
     // RendererFrameManager singleton survives and and the MessageLoop gets
-    // destroyed. The correct fix would be to have ObserverListThreadSafe look
+    // destroyed. The correct fix would be to have base::ObserverListThreadSafe
+    // look
     // up the proper message loop every time (see crbug.com/443824.)
     RendererFrameManager::GetInstance()->OnMemoryPressure(level);
   }
 
   void SendInputEventACK(WebInputEvent::Type type,
       InputEventAckState ack_result) {
     DCHECK(!WebInputEvent::isTouchEventType(type));
     InputEventAck ack(type, ack_result);
     InputHostMsg_HandleInputEvent_ACK response(0, ack);
     widget_host_->OnMessageReceived(response);
@@ skipping 3109 matching lines @@
   ViewMsg_SetSurfaceIdNamespace::Read(msg, &params);
   view_->InitAsChild(NULL);
   view_->Show();
   view_->SetSize(size);
   view_->OnSwapCompositorFrame(0,
                                MakeDelegatedFrame(1.f, size, gfx::Rect(size)));
   EXPECT_EQ(view_->GetSurfaceIdNamespace(), base::get<0>(params));
 }
 
 }  // namespace content