Add RemoteDebuggingController.java and its (native) dependencies.

content/browser/android/devtools_server.cc

+// Copyright (c) 2012 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 "content/browser/android/devtools_server.h"
+
+#include <pwd.h>
+
+#include <cstring>
+
+#include "base/bind.h"
+#include "base/callback.h"
+#include "base/logging.h"
+#include "base/stringprintf.h"
+#include "content/public/browser/devtools_http_handler.h"
+#include "net/base/unix_domain_socket_posix.h"
+#include "net/url_request/url_request_context_getter.h"
+
+namespace {
+
+const char kFrontEndURL[] =
+    "http://chrome-devtools-frontend.appspot.com/static/%s/devtools.html";

[John Grabowski, 2012/06/11 20:17:02]

Is this something for Google internal use, or for public consumption?
If for public consumption, do we need to get on the launch cal?
Do we need to worry about load?

[mnaganov (inactive), 2012/06/11 21:32:44]

It was already launched as CfA hit the market. Current load doesn't seem to
stress AppEngine in any way.

+const char kSocketName[] = "chrome_devtools_remote";
+
+bool UserCanConnect(uid_t uid, gid_t gid) {
+  struct passwd* creds = getpwuid(uid);
+  if (!creds || !creds->pw_name) {
+    LOG(WARNING) << "DevToolsServer: can't obtain creds for uid " << uid;
+    return false;
+  }
+  if (gid == uid &&
+      (strcmp("root", creds->pw_name) == 0 ||
+       strcmp("shell", creds->pw_name) == 0)) {
+    return true;
+  }
+  LOG(WARNING) << "DevToolsServer: connection attempt from " << creds->pw_name;
+  return false;
+}
+
+}  // namespace
+
+// static
+DevToolsServer* DevToolsServer::GetInstance() {
+  return Singleton<DevToolsServer>::get();
+}
+
+void DevToolsServer::Init(
+    const std::string& frontend_version,
+    net::URLRequestContextGetter* url_request_context,
+    const DevToolsServer::DelegateCreator& delegate_creator) {
+  frontend_url_ = StringPrintf(kFrontEndURL, frontend_version.c_str());
+  url_request_context_ = url_request_context;
+  delegate_creator_ = delegate_creator;
+}
+
+void DevToolsServer::Start() {
+  Stop();
+  DCHECK(is_initialized());
+  protocol_handler_ = content::DevToolsHttpHandler::Start(
+      new net::UnixDomainSocketWithAbstractNamespaceFactory(
+          kSocketName, base::Bind(&UserCanConnect)),
+      frontend_url_,
+      url_request_context_,
+      delegate_creator_.Run());
+}
+
+void DevToolsServer::Stop() {
+  if (protocol_handler_) {
+    // Note that the call to Stop() below takes care of |protocol_handler_|
+    // deletion.
+    protocol_handler_->Stop();
+    protocol_handler_ = NULL;
+  }
+}
+
+DevToolsServer::DevToolsServer()
+  : protocol_handler_(NULL),
+    url_request_context_(NULL) {
+}
+
+DevToolsServer::~DevToolsServer() {
+  Stop();
+}