Use IpcVideoFrameCapturer on network thread instead of capturer thread.

remoting/host/desktop_process_unittest.cc

Index: remoting/host/desktop_process_unittest.cc
diff --git a/remoting/host/desktop_process_unittest.cc b/remoting/host/desktop_process_unittest.cc
index 55aac14bbf70f21d4341c976f7a4d7cf9a9ec2ac..97d0249d803218a851c593c8d0090d3bbbfefa05 100644
--- a/remoting/host/desktop_process_unittest.cc
+++ b/remoting/host/desktop_process_unittest.cc
@@ -25,6 +25,7 @@
 #include "remoting/base/auto_thread_task_runner.h"
 #include "remoting/host/chromoting_messages.h"
 #include "remoting/host/desktop_process.h"
+#include "remoting/host/fake_mouse_cursor_monitor.h"
 #include "remoting/host/host_exit_codes.h"
 #include "remoting/host/host_mock_objects.h"
 #include "remoting/host/screen_resolution.h"
@@ -123,6 +124,10 @@ class DesktopProcessTest : public testing::Test {
   // DesktopEnvironment::CreateVideoCapturer().
   webrtc::DesktopCapturer* CreateVideoCapturer();
 
+  // Creates a fake webrtc::MouseCursorMonitor, to mock
+  // DesktopEnvironment::CreateMouseCursorMonitor().
+  webrtc::MouseCursorMonitor* CreateMouseCursorMonitor();
+
   // Disconnects the daemon-to-desktop channel causing the desktop process to
   // exit.
   void DisconnectChannels();
@@ -207,6 +212,9 @@ DesktopEnvironment* DesktopProcessTest::CreateDesktopEnvironment() {
   EXPECT_CALL(*desktop_environment, CreateVideoCapturerPtr())
       .Times(AtMost(1))
       .WillOnce(Invoke(this, &DesktopProcessTest::CreateVideoCapturer));
+  EXPECT_CALL(*desktop_environment, CreateMouseCursorMonitorPtr())
+      .Times(AtMost(1))
+      .WillOnce(Invoke(this, &DesktopProcessTest::CreateMouseCursorMonitor));
   EXPECT_CALL(*desktop_environment, GetCapabilities())
       .Times(AtMost(1));
   EXPECT_CALL(*desktop_environment, SetCapabilities(_))
@@ -227,6 +235,10 @@ webrtc::DesktopCapturer* DesktopProcessTest::CreateVideoCapturer() {
   return new protocol::FakeDesktopCapturer();
 }
 
+webrtc::MouseCursorMonitor* DesktopProcessTest::CreateMouseCursorMonitor() {
+  return new FakeMouseCursorMonitor();
+}
+
 void DesktopProcessTest::DisconnectChannels() {
   daemon_channel_.reset();
   network_channel_.reset();