Track calls to GetContainerSshKeys in FakeConciergeClient.

This will be used in a followup CL for CrostiniManager unit tests.

Bug: 846917
Change-Id: I4938a4bf75b986adb4a2dc283ffac7d0509e1c5c
Reviewed-on: https://chromium-review.googlesource.com/1158319Reviewed-by: Ryo Hashimoto <hashimoto@chromium.org>
Commit-Queue: Joel Hockey <joelhockey@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580068}

chromeos/dbus/fake_concierge_client.cc

@@ -94,6 +94,8 @@ void FakeConciergeClient::GetContainerSshKeys(
     const vm_tools::concierge::ContainerSshKeysRequest& request,
     DBusMethodCallback<vm_tools::concierge::ContainerSshKeysResponse>
         callback) {
+  get_container_ssh_keys_called_ = true;
+
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE,
       base::BindOnce(std::move(callback), container_ssh_keys_response_));

chromeos/dbus/fake_concierge_client.h

@@ -95,6 +95,10 @@ class CHROMEOS_EXPORT FakeConciergeClient : public ConciergeClient {
   bool stop_vm_called() const { return stop_vm_called_; }
   // Indicates whether StartContainer has been called
   bool start_container_called() const { return start_container_called_; }
+  // Indicates whether GetContainerSshKeys has been called
+  bool get_container_ssh_keys_called() const {
+    return get_container_ssh_keys_called_;
+  }
   // Set ContainerStartupFailedSignalConnected state
   void set_container_startup_failed_signal_connected(bool connected) {
     is_container_startup_failed_signal_connected_ = connected;
@@ -145,6 +149,7 @@ class CHROMEOS_EXPORT FakeConciergeClient : public ConciergeClient {
   bool start_termina_vm_called_ = false;
   bool stop_vm_called_ = false;
   bool start_container_called_ = false;
+  bool get_container_ssh_keys_called_ = false;
   bool is_container_startup_failed_signal_connected_ = true;
 
   vm_tools::concierge::CreateDiskImageResponse create_disk_image_response_;