Set the initial resolution of an RDP session to the client screen resolution if it is available.

remoting/protocol/session_config.cc

Index: remoting/protocol/session_config.cc
diff --git a/remoting/protocol/session_config.cc b/remoting/protocol/session_config.cc
index 1f05a83182bf91b7ce86337307b5191a9ff28c4a..3d735f1d6693fac30bcc05928c28c8725f94a8a7 100644
--- a/remoting/protocol/session_config.cc
+++ b/remoting/protocol/session_config.cc
@@ -11,6 +11,9 @@ namespace protocol {
 
 const int kDefaultStreamVersion = 2;
 
+// The control channel version that supports the "capabilities" message.
+const int kCapabilitiesControlStreamVersion = 3;

[Sergey Ulanov, 2013/04/18 00:34:53]

I think it's better to have kControlStreamVersion=3 and
kControlStreamVersionNoCapabilities=2.

[alexeypa (please no reviews), 2013/04/18 18:56:36]

Done.

+
 ChannelConfig ChannelConfig::None() {
   return ChannelConfig();
 }
@@ -35,7 +38,10 @@ bool ChannelConfig::operator==(const ChannelConfig& b) const {
 }
 
 SessionConfig::SessionConfig() {
+}
 
+bool SessionConfig::SupportsCapabilities() const {
+  return control_config_.version >= kCapabilitiesControlStreamVersion;
 }
 
 // static
@@ -171,6 +177,10 @@ scoped_ptr<CandidateSessionConfig> CandidateSessionConfig::CreateDefault() {
   // Control channel.
   result->mutable_control_configs()->push_back(
       ChannelConfig(ChannelConfig::TRANSPORT_MUX_STREAM,
+                    kCapabilitiesControlStreamVersion,
+                    ChannelConfig::CODEC_UNDEFINED));
+  result->mutable_control_configs()->push_back(
+      ChannelConfig(ChannelConfig::TRANSPORT_MUX_STREAM,
                     kDefaultStreamVersion,
                     ChannelConfig::CODEC_UNDEFINED));
   result->mutable_control_configs()->push_back(