Support "Pin to taskbar" for hosted app windows.

chrome/browser/ui/views/frame/browser_window_property_manager_win.cc

Index: chrome/browser/ui/views/frame/browser_window_property_manager_win.cc
diff --git a/chrome/browser/ui/views/frame/browser_window_property_manager_win.cc b/chrome/browser/ui/views/frame/browser_window_property_manager_win.cc
index ea453606ac257de57c01ea705f061e402ab2f9d3..4f0efdd1ef882b9ca14c9b6194ac194d766289b3 100644
--- a/chrome/browser/ui/views/frame/browser_window_property_manager_win.cc
+++ b/chrome/browser/ui/views/frame/browser_window_property_manager_win.cc
@@ -15,10 +15,15 @@
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
+#include "chrome/browser/web_applications/web_app.h"
+#include "chrome/browser/web_applications/web_app_win.h"
 #include "chrome/common/pref_names.h"
+#include "extensions/browser/extension_registry.h"
 #include "ui/base/win/shell.h"
 #include "ui/views/win/hwnd_util.h"
 
+using extensions::ExtensionRegistry;
+
 BrowserWindowPropertyManager::BrowserWindowPropertyManager(BrowserView* view)
     : view_(view) {
   DCHECK(view_);
@@ -53,6 +58,19 @@ void BrowserWindowPropertyManager::UpdateWindowProperties(HWND hwnd) {
   ProfileManager* profile_manager = g_browser_process->profile_manager();
   ProfileShortcutManager* shortcut_manager = NULL;
 
+  // Apps set their relaunch details based on app's details.
+  if (browser->is_app()) {
+    ExtensionRegistry* registry = ExtensionRegistry::Get(profile);
+    const extensions::Extension* extension = registry->GetExtensionById(
+        web_app::GetExtensionIdFromApplicationName(browser->app_name()),
+        ExtensionRegistry::EVERYTHING);
+    if (extension) {
+      ui::win::SetAppIdForWindow(app_id, hwnd);
+      web_app::UpdateRelaunchDetailsForApp(profile, extension, hwnd);
+      return;
+    }
+  }
+
   // The profile manager may be NULL in testing.
   if (profile_manager)
     shortcut_manager = profile_manager->profile_shortcut_manager();