Revert of Remove WINDOW_TYPE_V1_PANEL AppWindow type

chrome/browser/extensions/api/tabs/tabs_api.cc

Index: chrome/browser/extensions/api/tabs/tabs_api.cc
diff --git a/chrome/browser/extensions/api/tabs/tabs_api.cc b/chrome/browser/extensions/api/tabs/tabs_api.cc
index d11727433a7aafb0ca23f7974c2369d38ce0b564..928175910b0f15332d17d3f5169d3c50d6e5874b 100644
--- a/chrome/browser/extensions/api/tabs/tabs_api.cc
+++ b/chrome/browser/extensions/api/tabs/tabs_api.cc
@@ -95,6 +95,11 @@
 #include "ui/base/models/list_selection_model.h"
 #include "ui/base/ui_base_types.h"
 
+#if defined(USE_ASH)
+#include "chrome/browser/extensions/api/tabs/ash_panel_contents.h"  // nogncheck
+#include "extensions/browser/app_window/app_window_registry.h"  // nogncheck
+#endif
+
 using content::BrowserThread;
 using content::NavigationController;
 using content::NavigationEntry;
@@ -481,6 +486,7 @@
   Browser::Type window_type = Browser::TYPE_TABBED;
 
 #if defined(USE_ASH)
+  bool create_ash_panel = false;
   bool saw_focus_key = false;
 #endif  // defined(USE_ASH)
 
@@ -503,6 +509,18 @@
 
       case windows::CREATE_TYPE_PANEL: {
         extension_id = extension()->id();
+#if defined(USE_ASH)
+      // Only ChromeOS' version of chrome.windows.create would create a panel
+      // window. It is whitelisted to Hangouts extension for limited time until
+      // it transitioned to other types of windows.
+        for (const char* id : extension_misc::kHangoutsExtensionIds) {
+          if (extension_id == id) {
+            create_ash_panel = true;
+            break;
+          }
+        }
+#endif  // defined(USE_ASH)
+        // Everything else gets POPUP instead of PANEL.
         // TODO(dimich): Eventually, remove the 'panel' values form valid
         // window.create parameters. However, this is a more breaking change, so
         // for now simply treat it as a POPUP.
@@ -554,6 +572,31 @@
 #endif
     }
   }
+
+#if defined(USE_ASH)
+  if (create_ash_panel) {
+    if (urls.empty())
+      urls.push_back(GURL(chrome::kChromeUINewTabURL));
+
+    AppWindow::CreateParams create_params;
+    create_params.window_type = AppWindow::WINDOW_TYPE_V1_PANEL;
+    create_params.window_key = extension_id;
+    create_params.window_spec.bounds = window_bounds;
+    create_params.focused = saw_focus_key && focused;
+    AppWindow* app_window =
+        new AppWindow(window_profile, new ChromeAppDelegate(true), extension());
+    AshPanelContents* ash_panel_contents = new AshPanelContents(app_window);
+    app_window->Init(urls[0], ash_panel_contents, render_frame_host(),
+                     create_params);
+    WindowController* window_controller =
+        WindowControllerList::GetInstance()->FindWindowById(
+            app_window->session_id().id());
+    if (!window_controller)
+      return RespondNow(Error(kUnknownErrorDoNotUse));
+    return RespondNow(
+        OneArgument(window_controller->CreateWindowValueWithTabs(extension())));
+  }
+#endif  // defined(USE_ASH)
 
   // Create a new BrowserWindow.
   Browser::CreateParams create_params(window_type, window_profile,