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

remoting/host/me2me_desktop_environment.cc

Index: remoting/host/me2me_desktop_environment.cc
diff --git a/remoting/host/me2me_desktop_environment.cc b/remoting/host/me2me_desktop_environment.cc
index 6f5526253025482c2a0da760c1614ad49b1fa3bf..71dc6b701a1eed9a4cb75e0f0a026ea93b03fafb 100644
--- a/remoting/host/me2me_desktop_environment.cc
+++ b/remoting/host/me2me_desktop_environment.cc
@@ -22,6 +22,8 @@
 #include <unistd.h>
 #endif  // defined(OS_POSIX)
 
+const char kRateLimitResizeRequests[] = "rateLimitResizeRequests";
+
 namespace remoting {
 
 Me2MeDesktopEnvironment::~Me2MeDesktopEnvironment() {
@@ -47,6 +49,10 @@ Me2MeDesktopEnvironment::CreateVideoCapturer() {
 #endif  // !defined(OS_LINUX)
 }
 
+std::string Me2MeDesktopEnvironment::GetCapabilities() const {
+  return kRateLimitResizeRequests;
+}
+
 Me2MeDesktopEnvironment::Me2MeDesktopEnvironment(
     scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,