Remove supports_touch_events flag from BasicDesktopEnvironment

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 <stddef.h>
 
 #include <utility>
 
@@ skipping 75 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(IpcSharedBuffer);
 };
 
 DesktopSessionProxy::DesktopSessionProxy(
     scoped_refptr<base::SingleThreadTaskRunner> audio_capture_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
     base::WeakPtr<ClientSessionControl> client_session_control,
     base::WeakPtr<DesktopSessionConnector> desktop_session_connector,
-    bool virtual_terminal,
-    bool supports_touch_events)
+    bool virtual_terminal)
     : audio_capture_task_runner_(audio_capture_task_runner),
       caller_task_runner_(caller_task_runner),
       io_task_runner_(io_task_runner),
       client_session_control_(client_session_control),
       desktop_session_connector_(desktop_session_connector),
       pending_capture_frame_requests_(0),
       is_desktop_session_connected_(false),
-      virtual_terminal_(virtual_terminal),
-      supports_touch_events_(supports_touch_events) {
+      virtual_terminal_(virtual_terminal) {
   DCHECK(caller_task_runner_->BelongsToCurrentThread());
 }
 
 std::unique_ptr<AudioCapturer> DesktopSessionProxy::CreateAudioCapturer() {
   DCHECK(caller_task_runner_->BelongsToCurrentThread());
 
   return base::MakeUnique<IpcAudioCapturer>(this);
 }
 
 std::unique_ptr<InputInjector> DesktopSessionProxy::CreateInputInjector() {
@@ skipping 16 matching lines @@
 }
 
 std::unique_ptr<webrtc::MouseCursorMonitor>
 DesktopSessionProxy::CreateMouseCursorMonitor() {
   return base::MakeUnique<IpcMouseCursorMonitor>(this);
 }
 
 std::string DesktopSessionProxy::GetCapabilities() const {
   std::string result = protocol::kRateLimitResizeRequests;
   // Ask the client to send its resolution unconditionally.
-  if (virtual_terminal_)
-    result = result + " " + protocol::kSendInitialResolution;
+  if (virtual_terminal_) {
+    result += " ";
+    result += protocol::kSendInitialResolution;
+  }
 
-  if (supports_touch_events_)
-    result = result + " "  + protocol::kTouchEventsCapability;
+  if (InputInjector::SupportsTouchEvents()) {
+    result += " ";
+    result += protocol::kTouchEventsCapability;
+  }
 
   return result;
 }
 
 void DesktopSessionProxy::SetCapabilities(const std::string& capabilities) {
   // Delay creation of the desktop session until the client screen resolution is
   // received if the desktop session requires the initial screen resolution
   // (when |virtual_terminal_| is true) and the client is expected to
   // sent its screen resolution (the 'sendInitialResolution' capability is
   // supported).
@@ skipping 392 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