Simplify ScreenCapturer interface.

remoting/host/desktop_session_proxy.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 "remoting/host/desktop_session_proxy.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/platform_file.h"
 #include "base/process_util.h"
@@ skipping 171 matching lines @@
   }
 }
 
 void DesktopSessionProxy::SetAudioCapturer(
     const base::WeakPtr<IpcAudioCapturer>& audio_capturer) {
   DCHECK(audio_capture_task_runner_->BelongsToCurrentThread());
 
   audio_capturer_ = audio_capturer;
 }
 
-void DesktopSessionProxy::InvalidateRegion(const SkRegion& invalid_region) {
-  if (!caller_task_runner_->BelongsToCurrentThread()) {
-    caller_task_runner_->PostTask(
-        FROM_HERE, base::Bind(&DesktopSessionProxy::InvalidateRegion, this,
-                              invalid_region));
-    return;
-  }
-
-  if (desktop_channel_) {
-    std::vector<SkIRect> invalid_rects;
-    for (SkRegion::Iterator i(invalid_region); !i.done(); i.next())
-      invalid_rects.push_back(i.rect());
-
-    SendToDesktop(
-        new ChromotingNetworkDesktopMsg_InvalidateRegion(invalid_rects));
-  }
-}
-
 void DesktopSessionProxy::CaptureFrame() {
   if (!caller_task_runner_->BelongsToCurrentThread()) {
     caller_task_runner_->PostTask(
         FROM_HERE, base::Bind(&DesktopSessionProxy::CaptureFrame, this));
     return;
   }
 
   if (desktop_channel_) {
     ++pending_capture_frame_requests_;
     SendToDesktop(new ChromotingNetworkDesktopMsg_CaptureFrame());
@@ skipping 267 matching lines @@
 }
 
 // static
 void DesktopSessionProxyTraits::Destruct(
     const DesktopSessionProxy* desktop_session_proxy) {
   desktop_session_proxy->caller_task_runner_->DeleteSoon(FROM_HERE,
                                                          desktop_session_proxy);
 }
 
 }  // namespace remoting