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

chrome/browser/chrome_content_browser_client.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 "chrome/browser/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 2550 matching lines @@
 
 bool ChromeContentBrowserClient::CheckMediaAccessPermission(
     content::BrowserContext* browser_context,
     const GURL& security_origin,
     content::MediaStreamType type) {
   return MediaCaptureDevicesDispatcher::GetInstance()
       ->CheckMediaAccessPermission(
           browser_context, security_origin, type);
 }
 
+content::WebContents* ChromeContentBrowserClient::OpenURL(
+    content::BrowserContext* browser_context,
+    const content::OpenURLParams& params) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+#if !defined(OS_ANDROID) && !defined(OS_IOS)
+  NavigateParams nav_params(Profile::FromBrowserContext(browser_context),
+                            params.url,
+                            params.transition);
+  FillNavigateParamsFromOpenURLParams(&nav_params, params);
+  nav_params.user_gesture = params.user_gesture;
+
+  Navigate(&nav_params);
+  return nav_params.target_contents;
+#else
+  // TODO(mlamouri): write a chrome::Navigate() method for Android and iOS.
+  // See https://crbug.com/448409.
+  return nullptr;
+#endif // !defined(OS_ANDROID) && !defined(OS_IOS)
+}
+
 content::DevToolsManagerDelegate*
 ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
 #if defined(OS_ANDROID)
   return new DevToolsManagerDelegateAndroid();
 #else
   return new ChromeDevToolsManagerDelegate();
 #endif
 }
 
 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
@@ skipping 47 matching lines @@
       switches::kDisableWebRtcEncryption,
     };
     to_command_line->CopySwitchesFrom(from_command_line,
                                       kWebRtcDevSwitchNames,
                                       arraysize(kWebRtcDevSwitchNames));
   }
 }
 #endif  // defined(ENABLE_WEBRTC)
 
 }  // namespace chrome