Slight simplification to prompt code

sky/tools/debugger/prompt/prompt.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/memory/weak_ptr.h"
 #include "mojo/application/application_runner_chromium.h"
 #include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/application_impl.h"
@@ skipping 43 matching lines @@
   virtual bool ConfigureIncomingConnection(
       mojo::ApplicationConnection* connection) override {
     connection->ConnectToService(&debugger_);
     std::cout << "Loading " << url_ << std::endl;
     Reload();
     ScheduleWaitForInput();
     return true;
   }
 
   bool ExecuteCommand(const std::string& command) {
-    if (command == "help") {
+    if (command == "help" || command == "h") {
       PrintHelp();
       return true;
     }
     if (command == "trace") {
       ToggleTracing();
       return true;
     }
-    if (command == "reload") {
+    if (command == "reload" || command == "r") {
       Reload();
       return true;
     }
     if (command == "inspect") {
       Inspect();
       return true;
     }
+    if (command == "quit" || command == "q") {
+      Quit();
+      return true;
+    }
     if (command.size() == 1) {
-      char c = command[0];
-      if (c == 'h')
-        PrintHelp();
-      else if (c == 'q')
-        Quit();
-      else if (c == 'r')
-        Reload();
-      else
-        std::cout << "Unknown command: " << c << std::endl;
+      std::cout << "Unknown command: " << command << std::endl;
       return true;
     }
     return false;
   }
 
   void WaitForInput() {
     std::string command = GetCommand();
 
     if (!ExecuteCommand(command)) {
       if (command.size() > 0) {
@@ skipping 12 matching lines @@
 
   void PrintHelp() {
     std::cout
       << "Sky Debugger" << std::endl
       << "============" << std::endl
       << "Type a URL to load in the debugger, enter to reload." << std::endl
       << "Commands: help    -- Help" << std::endl
       << "          trace   -- Capture a trace" << std::endl
       << "          reload  -- Reload the current page" << std::endl
       << "          inspect -- Inspect the current page" << std::endl
-      << "          q       -- Quit" << std::endl;
+      << "          quit    -- Quit" << std::endl;
   }
 
   void Reload() {
     debugger_->NavigateToURL(url_);
   }
 
   void Inspect() {
     debugger_->InjectInspector();
     std::cout
       << "Open the following URL in Chrome:" << std::endl
@@ skipping 26 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(Prompt);
 };
 
 }  // namespace debugger
 }  // namespace sky
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   mojo::ApplicationRunnerChromium runner(new sky::debugger::Prompt);
   return runner.Run(shell_handle);
 }