Add host-side rate-limiting to desktop resize events.

Also, make the client-side rate-limiting more granular. This means that the
desktop resizes sooner after the user stops resizing the window.

BUG=187272

Review URL: https://chromiumcodereview.appspot.com/15927033

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@205093 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 6 insertions, 2 deletions

diff --git a/remoting/host/desktop_session_proxy.cc b/remoting/host/desktop_session_proxy.cc
index c32c2bb..0760317 100644
--- a/remoting/host/desktop_session_proxy.cc
+++ b/remoting/host/desktop_session_proxy.cc
@@ -34,6 +34,7 @@
 
 const bool kReadOnly = true;
 const char kSendInitialResolution[] = "sendInitialResolution";
+const char kRateLimitResizeRequests[] = "rateLimitResizeRequests";
 
 namespace remoting {
 
@@ -144,8 +145,11 @@ scoped_ptr<webrtc::ScreenCapturer> DesktopSessionProxy::CreateVideoCapturer() {
 }
 
 std::string DesktopSessionProxy::GetCapabilities() const {
-  // Ask the client to send it's resolution unconditionally.
-  return virtual_terminal_ ? kSendInitialResolution : std::string();
+  std::string result = kRateLimitResizeRequests;
+  // Ask the client to send its resolution unconditionally.
+  if (virtual_terminal_)
+    result = result + " " + kSendInitialResolution;
+  return result;
 }
 
 void DesktopSessionProxy::SetCapabilities(const std::string& capabilities) {