[Extensions UI] Fix a crash when clicking on a bubble's learn more

chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc

Index: chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc
diff --git a/chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc b/chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc
index e25e4e55067170457c1bdc5d35d5b3e4a9154a01..9d03d322a1da5b9e7e5c630c07534387a24fdf87 100644
--- a/chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc
+++ b/chrome/browser/ui/views/extensions/extension_message_bubble_view_browsertest.cc
@@ -8,8 +8,12 @@
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/toolbar/app_menu_button.h"
 #include "chrome/browser/ui/views/toolbar/browser_actions_container.h"
+#include "chrome/browser/ui/views/toolbar/toolbar_actions_bar_bubble_views.h"
 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
 #include "ui/views/bubble/bubble_dialog_delegate.h"
+#include "ui/views/controls/link.h"
+#include "ui/views/controls/link_listener.h"
+#include "ui/views/window/dialog_client_view.h"
 
 namespace {
 
@@ -18,6 +22,11 @@ ToolbarView* GetToolbarViewForBrowser(Browser* browser) {
   return BrowserView::GetBrowserViewForBrowser(browser)->toolbar();
 }
 
+ToolbarActionsBarBubbleViews* GetBubbleForBrowser(Browser* browser) {
+  return static_cast<ToolbarActionsBarBubbleViews*>(
+      GetToolbarViewForBrowser(browser)->browser_actions()->active_bubble());
+}
+
 // Checks that the |bubble| is using the |expected_reference_view|, and is in
 // approximately the correct position.
 void CheckBubbleAndReferenceView(views::BubbleDialogDelegateView* bubble,
@@ -56,6 +65,9 @@ class ExtensionMessageBubbleViewBrowserTest
   void CheckBubbleNative(Browser* browser, AnchorPosition anchor) override;
   void CloseBubbleNative(Browser* browser) override;
   void CheckBubbleIsNotPresentNative(Browser* browser) override;
+  void ClickLearnMoreButton(Browser* browser) override;
+  void ClickActionButton(Browser* browser) override;
+  void ClickDismissButton(Browser* browser) override;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionMessageBubbleViewBrowserTest);
 };
@@ -105,6 +117,25 @@ void ExtensionMessageBubbleViewBrowserTest::CheckBubbleIsNotPresentNative(
       GetToolbarViewForBrowser(browser)->browser_actions()->active_bubble());
 }
 
+void ExtensionMessageBubbleViewBrowserTest::ClickLearnMoreButton(
+    Browser* browser) {
+  ToolbarActionsBarBubbleViews* bubble = GetBubbleForBrowser(browser);
+  static_cast<views::LinkListener*>(bubble)->LinkClicked(
+      const_cast<views::Link*>(bubble->learn_more_button()), 0);
+}
+
+void ExtensionMessageBubbleViewBrowserTest::ClickActionButton(
+    Browser* browser) {
+  ToolbarActionsBarBubbleViews* bubble = GetBubbleForBrowser(browser);
+  bubble->GetDialogClientView()->AcceptWindow();
+}
+
+void ExtensionMessageBubbleViewBrowserTest::ClickDismissButton(
+    Browser* browser) {
+  ToolbarActionsBarBubbleViews* bubble = GetBubbleForBrowser(browser);
+  bubble->GetDialogClientView()->CancelWindow();
+}
+
 IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleViewBrowserTest,
                        ExtensionBubbleAnchoredToExtensionAction) {
   TestBubbleAnchoredToExtensionAction();
@@ -163,3 +194,18 @@ IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleViewBrowserTest,
                        TestBubbleWithMultipleWindows) {
   TestBubbleWithMultipleWindows();
 }
+
+IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleViewBrowserTest,
+                       TestClickingLearnMoreButton) {
+  TestClickingLearnMoreButton();
+}
+
+IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleViewBrowserTest,
+                       TestClickingActionButton) {
+  TestClickingActionButton();
+}
+
+IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleViewBrowserTest,
+                       TestClickingDismissButton) {
+  TestClickingDismissButton();
+}