Switch a bunch of remaining filters to derive from BrowserMessageFilters so t...

chrome/browser/device_orientation/dispatcher_host.cc

Index: chrome/browser/device_orientation/dispatcher_host.cc
===================================================================
--- chrome/browser/device_orientation/dispatcher_host.cc	(revision 68877)
+++ chrome/browser/device_orientation/dispatcher_host.cc	(working copy)
@@ -1,112 +0,0 @@
-// Copyright (c) 2010 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 "chrome/browser/device_orientation/dispatcher_host.h"
-
-#include "base/scoped_ptr.h"
-#include "chrome/browser/browser_thread.h"
-#include "chrome/browser/device_orientation/orientation.h"
-#include "chrome/browser/device_orientation/provider.h"
-#include "chrome/browser/renderer_host/render_view_host.h"
-#include "chrome/browser/renderer_host/render_view_host_notification_task.h"
-#include "chrome/common/render_messages.h"
-#include "chrome/common/render_messages_params.h"
-#include "ipc/ipc_message.h"
-
-namespace device_orientation {
-
-DispatcherHost::DispatcherHost(int process_id)
-    : process_id_(process_id),
-      observers_map_(),
-      provider_(NULL) {
-}
-
-DispatcherHost::~DispatcherHost() {
-}
-
-class DispatcherHost::ObserverDelegate
-    : public base::RefCounted<ObserverDelegate>, public Provider::Observer {
- public:
-    // Create ObserverDelegate that observes provider and forwards updates to
-    // render_view_id in process_id.
-    // Will stop observing provider when destructed.
-    ObserverDelegate(Provider* provider,
-                     int process_id,
-                     int render_view_id);
-
-    // From Provider::Observer.
-    virtual void OnOrientationUpdate(const Orientation& orientation);
-
- private:
-  friend class base::RefCounted<ObserverDelegate>;
-  virtual ~ObserverDelegate();
-
-  scoped_refptr<Provider> provider_;
-  int process_id_;
-  int render_view_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(ObserverDelegate);
-};
-
-DispatcherHost::ObserverDelegate::ObserverDelegate(Provider* provider,
-                                                   int process_id,
-                                                   int render_view_id)
-    : provider_(provider),
-      process_id_(process_id),
-      render_view_id_(render_view_id) {
-  provider_->AddObserver(this);
-}
-
-DispatcherHost::ObserverDelegate::~ObserverDelegate() {
-  provider_->RemoveObserver(this);
-}
-
-void DispatcherHost::ObserverDelegate::OnOrientationUpdate(
-    const Orientation& orientation) {
-  ViewMsg_DeviceOrientationUpdated_Params params;
-  params.can_provide_alpha = orientation.can_provide_alpha_;
-  params.alpha = orientation.alpha_;
-  params.can_provide_beta = orientation.can_provide_beta_;
-  params.beta = orientation.beta_;
-  params.can_provide_gamma = orientation.can_provide_gamma_;
-  params.gamma = orientation.gamma_;
-
-  IPC::Message* message = new ViewMsg_DeviceOrientationUpdated(render_view_id_,
-                                                               params);
-  CallRenderViewHost(process_id_, render_view_id_, &RenderViewHost::Send,
-                     message);
-}
-
-bool DispatcherHost::OnMessageReceived(const IPC::Message& msg,
-                                       bool* msg_was_ok) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(DispatcherHost, msg, *msg_was_ok)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_DeviceOrientation_StartUpdating,
-                        OnStartUpdating)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_DeviceOrientation_StopUpdating,
-                        OnStopUpdating)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void DispatcherHost::OnStartUpdating(int render_view_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-
-  if (!provider_)
-    provider_ = Provider::GetInstance();
-
-  observers_map_[render_view_id] = new ObserverDelegate(provider_,
-                                                        process_id_,
-                                                        render_view_id);
-}
-
-void DispatcherHost::OnStopUpdating(int render_view_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-
-  observers_map_.erase(render_view_id);
-}
-
-}  // namespace device_orientation