Content Shell: Introduce LayoutTestDevToolsFrontend.

content/shell/browser/layout_test/layout_test_devtools_frontend.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 "content/shell/browser/layout_test/layout_test_devtools_frontend.h"
+
+#include "base/command_line.h"
+#include "base/path_service.h"
+#include "base/strings/stringprintf.h"
+#include "content/public/browser/web_contents.h"
+#include "content/shell/browser/shell.h"
+#include "content/shell/browser/webkit_test_controller.h"
+#include "net/base/filename_util.h"
+
+namespace content {
+
+// static
+LayoutTestDevToolsFrontend* LayoutTestDevToolsFrontend::Show(
+    WebContents* inspected_contents,
+    const std::string& settings,
+    const std::string& frontend_url) {
+  scoped_refptr<DevToolsAgentHost> agent(
+      DevToolsAgentHost::GetOrCreateFor(inspected_contents));
+  Shell* shell = Shell::CreateNewWindow(inspected_contents->GetBrowserContext(),
+                                        GURL(),
+                                        NULL,
+                                        MSG_ROUTING_NONE,
+                                        gfx::Size());
+  LayoutTestDevToolsFrontend* devtools_frontend =
+      new LayoutTestDevToolsFrontend(shell, agent.get());
+
+  shell->LoadURL(GetDevToolsPathAsURL(settings, frontend_url));
+
+  return devtools_frontend;
+}
+
+LayoutTestDevToolsFrontend::LayoutTestDevToolsFrontend(
+    Shell* frontend_shell,
+    DevToolsAgentHost* agent_host)
+    : ShellDevToolsFrontend(frontend_shell, agent_host) {
+}
+
+LayoutTestDevToolsFrontend::~LayoutTestDevToolsFrontend() {
+}
+
+// static.
+GURL LayoutTestDevToolsFrontend::GetDevToolsPathAsURL(
+    const std::string& settings,
+    const std::string& frontend_url) {
+  if (!frontend_url.empty())
+    return GURL(frontend_url);
+  base::FilePath dir_exe;
+  if (!PathService::Get(base::DIR_EXE, &dir_exe)) {
+    NOTREACHED();
+    return GURL();
+  }
+#if defined(OS_MACOSX)
+  // On Mac, the executable is in
+  // out/Release/Content Shell.app/Contents/MacOS/Content Shell.
+  // We need to go up 3 directories to get to out/Release.
+  dir_exe = dir_exe.AppendASCII("../../..");
+#endif
+  base::FilePath dev_tools_path =
+      dir_exe.AppendASCII("resources/inspector/devtools.html");
+
+  GURL result = net::FilePathToFileURL(dev_tools_path);
+  if (!settings.empty())
+    result = GURL(base::StringPrintf("%s?settings=%s&experiments=true",
+                                     result.spec().c_str(),
+                                     settings.c_str()));
+  return result;
+}
+
+void LayoutTestDevToolsFrontend::RenderProcessGone(
+    base::TerminationStatus status) {
+  WebKitTestController::Get()->DevToolsProcessCrashed();
+}
+
+}  // namespace content