Never create an app list for an incognito profile.

chrome/browser/ui/app_list/app_list_controller_browsertest.cc

Index: chrome/browser/ui/app_list/app_list_controller_browsertest.cc
diff --git a/chrome/browser/ui/app_list/app_list_controller_browsertest.cc b/chrome/browser/ui/app_list/app_list_controller_browsertest.cc
index 77477b927167054476f5b1a5d132429e77fe2f20..ea0e0cb227a38c9d0bcfd842b6684cc72eeafcab 100644
--- a/chrome/browser/ui/app_list/app_list_controller_browsertest.cc
+++ b/chrome/browser/ui/app_list/app_list_controller_browsertest.cc
@@ -44,6 +44,46 @@ IN_PROC_BROWSER_TEST_F(AppListControllerBrowserTest, CreateNewWindow) {
       browser()->profile()->GetOffTheRecordProfile(), desktop));
 }
 
+// Test creating the app list for an incognito version of the current profile.
+IN_PROC_BROWSER_TEST_F(AppListControllerBrowserTest, RegularThenIncognito) {
+  AppListService* service = test::GetAppListService();
+  // On Ash, the app list always has a profile.
+  if (chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH)
+    EXPECT_TRUE(service->GetCurrentAppListProfile());
+  else
+    EXPECT_FALSE(service->GetCurrentAppListProfile());
+
+  service->ShowForProfile(browser()->profile());
+  EXPECT_EQ(browser()->profile(), service->GetCurrentAppListProfile());
+
+  AppListControllerDelegate* controller = service->GetControllerDelegate();
+  service->ShowForProfile(browser()->profile()->GetOffTheRecordProfile());
+
+  // Should be showing the same profile.
+  EXPECT_EQ(browser()->profile(), service->GetCurrentAppListProfile());
+
+  // Should not have been reconstructed.
+  EXPECT_EQ(controller, service->GetControllerDelegate());
+
+  // Same checks for CreateForProfile().
+  service->CreateForProfile(browser()->profile()->GetOffTheRecordProfile());
+  EXPECT_EQ(browser()->profile(), service->GetCurrentAppListProfile());
+  EXPECT_EQ(controller, service->GetControllerDelegate());
+}
+
+// Test creating the initial app list for incognito profile.
+IN_PROC_BROWSER_TEST_F(AppListControllerBrowserTest, Incognito) {
+  AppListService* service = test::GetAppListService();
+  if (chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH)
+    EXPECT_TRUE(service->GetCurrentAppListProfile());
+  else
+    EXPECT_FALSE(service->GetCurrentAppListProfile());
+
+  service->ShowForProfile(browser()->profile()->GetOffTheRecordProfile());
+  // Initial load should have picked the non-incongito profile.
+  EXPECT_EQ(browser()->profile(), service->GetCurrentAppListProfile());
+}
+
 // Browser Test for AppListController that observes search result changes.
 class AppListControllerSearchResultsBrowserTest
     : public ExtensionBrowserTest,