Added UI to enable debugging features on CrOS

chromeos/dbus/fake_debug_daemon_client.cc

Index: chromeos/dbus/fake_debug_daemon_client.cc
diff --git a/chromeos/dbus/fake_debug_daemon_client.cc b/chromeos/dbus/fake_debug_daemon_client.cc
index a1d75f6275558f1ff88c0916101e6e0100652b9b..551a116fba09a80becb6b72e3f056c41596c1512 100644
--- a/chromeos/dbus/fake_debug_daemon_client.cc
+++ b/chromeos/dbus/fake_debug_daemon_client.cc
@@ -8,10 +8,12 @@
 #include <string>
 #include <vector>
 
+#include "base/command_line.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/message_loop/message_loop.h"
+#include "chromeos/chromeos_switches.h"
 
 namespace chromeos {
 
@@ -120,4 +122,30 @@ void FakeDebugDaemonClient::TestICMPWithOptions(
 void FakeDebugDaemonClient::UploadCrashes() {
 }
 
+void FakeDebugDaemonClient::EnableDebuggingFeatures(
+    const std::string& password,
+    const DebugDaemonClient::EnableDebuggingCallback& callback) {
+  base::MessageLoop::current()->PostTask(FROM_HERE,
+                                         base::Bind(callback, true));
+}
+
+void FakeDebugDaemonClient::QueryDebuggingFeatures(
+    const DebugDaemonClient::QueryDevFeaturesCallback& callback) {
+  bool supported = base::CommandLine::ForCurrentProcess()->HasSwitch(
+      chromeos::switches::kSystemDevMode);
+  base::MessageLoop::current()->PostTask(
+      FROM_HERE,
+      base::Bind(callback,
+                 true,
+                 static_cast<int>(
+                     supported ? DebugDaemonClient::DEV_FEATURE_ROOTFS_VERIFICATION_REMOVED :

[xiyuan, 2014/10/31 03:36:01]

nit: line too long.

[zel, 2014/10/31 23:23:43]

Done.

+                                 DebugDaemonClient::DEV_FEATURES_DISABLED)));
+}
+
+void FakeDebugDaemonClient::RemoveRootfsVerification(
+    const DebugDaemonClient::EnableDebuggingCallback& callback) {
+  base::MessageLoop::current()->PostTask(FROM_HERE,
+                                         base::Bind(callback, true));
+}
+
 }  // namespace chromeos