Add ContentBrowserClient::OpenURL to allow tab opening wo/ WebContents.

content/shell/browser/shell_content_browser_client.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 "content/shell/browser/shell_content_browser_client.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/files/file.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
+#include "content/public/browser/page_navigator.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/common/web_preferences.h"
 #include "content/shell/browser/ipc_echo_message_filter.h"
 #include "content/shell/browser/layout_test/layout_test_browser_main_parts.h"
 #include "content/shell/browser/layout_test/layout_test_resource_dispatcher_host_delegate.h"
 #include "content/shell/browser/shell.h"
@@ skipping 272 matching lines @@
     const GURL& current_url,
     const GURL& new_url) {
   return g_swap_processes_for_redirect;
 }
 
 DevToolsManagerDelegate*
 ShellContentBrowserClient::GetDevToolsManagerDelegate() {
   return new ShellDevToolsManagerDelegate(browser_context());
 }
 
+WebContents* ShellContentBrowserClient::OpenURL(BrowserContext* browser_context,
+                                                const OpenURLParams& params) {
+  return Shell::CreateNewWindow(browser_context,
+                                params.url,
+                                nullptr,
+                                gfx::Size())->web_contents();
+}
+
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 void ShellContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
     const base::CommandLine& command_line,
     int child_process_id,
     FileDescriptorInfo* mappings) {
 #if defined(OS_ANDROID)
   int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
   base::FilePath pak_file;
   bool r = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_file);
   CHECK(r);
@@ skipping 60 matching lines @@
 ShellBrowserContext*
 ShellContentBrowserClient::ShellBrowserContextForBrowserContext(
     BrowserContext* content_browser_context) {
   if (content_browser_context == browser_context())
     return browser_context();
   DCHECK_EQ(content_browser_context, off_the_record_browser_context());
   return off_the_record_browser_context();
 }
 
 }  // namespace content