[chromecast] Add cast_shell --accept-resource-provider switch

chromecast/base/chromecast_switches.h

 // Copyright 2014 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.
 
 #ifndef CHROMECAST_BASE_CHROMECAST_SWITCHES_H_
 #define CHROMECAST_BASE_CHROMECAST_SWITCHES_H_
 
+#include <string>
+
 #include "build/build_config.h"
 
 namespace switches {
 
+// Switch values
+extern const char kSwitchValueTrue[];
+extern const char kSwitchValueFalse[];
+
 // Media switches
 extern const char kEnableCmaMediaPipeline[];
 extern const char kHdmiSinkSupportedCodecs[];
 
 // Content-implementation switches
 extern const char kEnableLocalFileAccesses[];
 
 // Metrics switches
 extern const char kOverrideMetricsUploadUrl[];
 
 // Network switches
 extern const char kNoWifi[];
 
 // App switches
 extern const char kAllowHiddenMediaPlayback[];
 
 // Switches to communicate app state information
 extern const char kLastLaunchedApp[];
 extern const char kPreviousApp[];
 
+// Cast Receiver switches
+extern const char kAcceptResourceProvider[];
+
 // ALSA-based CMA switches. (Only valid for audio products.)
 extern const char kAlsaOutputBufferSize[];
 extern const char kAlsaOutputPeriodSize[];
 extern const char kAlsaOutputStartThreshold[];
 extern const char kAlsaOutputAvailMin[];
 extern const char kAlsaCheckCloseTimeout[];
 extern const char kAlsaNumOutputChannels[];
 
 }  // namespace switches
 
+namespace chromecast {
+
+// Gets boolean value from switch |switch_string|.
+// --|switch_string| -> true
+// --|switch_string|="true" -> true
+// --|switch_string|="false" -> false
+// no switch named |switch_string| -> |default_value|
+bool GetSwitchValueBoolean(const std::string& switch_string,
+                           const bool default_value);
+
+}  // namespace chromecast
+
 #endif  // CHROMECAST_BASE_CHROMECAST_SWITCHES_H_