Make --gdb work for android

shell/context.cc

 // Copyright 2013 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 "shell/context.h"
 
 #include <vector>
 
+#include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "build/build_config.h"
@@ skipping 116 matching lines @@
 
 Context::~Context() {
   DCHECK(!base::MessageLoop::current());
 }
 
 void Context::EnsureEmbedderIsInitialized() {
   setup.Get();
 }
 
 bool Context::Init() {
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+
+  if (command_line->HasSwitch(switches::kWaitForDebugger))
+    base::debug::WaitForDebugger(60, true);
+
   EnsureEmbedderIsInitialized();
   task_runners_.reset(
       new TaskRunners(base::MessageLoop::current()->message_loop_proxy()));
 
   for (size_t i = 0; i < arraysize(kLocalMojoURLs); ++i)
     mojo_url_resolver_.AddLocalFileMapping(GURL(kLocalMojoURLs[i]));
 
-  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-
   if (command_line->HasSwitch(switches::kEnableExternalApplications)) {
     listener_ = ExternalApplicationListener::Create(
         task_runners_->shell_runner(), task_runners_->io_runner());
 
     base::FilePath socket_path =
         command_line->GetSwitchValuePath(switches::kEnableExternalApplications);
     if (socket_path.empty())
       socket_path = ExternalApplicationListener::ConstructDefaultSocketPath();
 
     listener_->ListenInBackground(
@@ skipping 59 matching lines @@
 ScopedMessagePipeHandle Context::ConnectToServiceByName(
     const GURL& application_url,
     const std::string& service_name) {
   app_urls_.insert(application_url);
   return application_manager_.ConnectToServiceByName(application_url,
                                                      service_name).Pass();
 }
 
 }  // namespace shell
 }  // namespace mojo