Make File-Picker modal on Linux

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

Index: chrome/browser/ui/views/frame/browser_view_focus_uitest.cc
diff --git a/chrome/browser/ui/views/frame/browser_view_focus_uitest.cc b/chrome/browser/ui/views/frame/browser_view_focus_uitest.cc
index 3d0aaf888fd2ff89b2c129f0fc9f9053fbfa294b..d6d07e09c526afc1dee69e3bdd6dfa6236fe418d 100644
--- a/chrome/browser/ui/views/frame/browser_view_focus_uitest.cc
+++ b/chrome/browser/ui/views/frame/browser_view_focus_uitest.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/ui/views/frame/browser_view.h"
 
+#include "base/run_loop.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
@@ -16,6 +17,8 @@
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "ui/views/focus/focus_manager.h"
 #include "ui/views/view.h"
+#include "ui/views/widget/widget.h"
+#include "ui/views/widget/widget_observer.h"
 #include "url/gurl.h"
 
 const char kSimplePage[] = "/focus/page_with_focus.html";
@@ -27,6 +30,34 @@ class BrowserViewFocusTest : public InProcessBrowserTest {
   }
 };
 
+// Spins a run loop until a Widget becomes inactive.
+class WidgetActivationWaiter : public views::WidgetObserver {
+ public:
+  explicit WidgetActivationWaiter(views::Widget* widget) : observed_(false) {
+    widget->AddObserver(this);
+    EXPECT_TRUE(widget->IsActive());
+  }
+
+  void Wait() {
+    if (!observed_)
+      run_loop_.Run();
+  }
+
+  void OnWidgetActivationChanged(views::Widget* widget, bool active) override {
+    EXPECT_FALSE(active);
+    observed_ = true;
+    widget->RemoveObserver(this);
+    if (run_loop_.running())
+      run_loop_.Quit();
+  }
+
+ private:
+  base::RunLoop run_loop_;
+  bool observed_;
+
+  DISALLOW_COPY_AND_ASSIGN(WidgetActivationWaiter);
+};
+
 // Flaky, http://crbug.com/69034.
 IN_PROC_BROWSER_TEST_F(BrowserViewFocusTest, DISABLED_BrowsersRememberFocus) {
   ASSERT_TRUE(ui_test_utils::BringBrowserWindowToFront(browser()));
@@ -93,3 +124,48 @@ IN_PROC_BROWSER_TEST_F(BrowserViewFocusTest, DISABLED_BrowsersRememberFocus) {
   browser_view2->Close();
 #endif
 }
+
+// This test is only for Linux Desktop.
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#define MAYBE_BrowserDialogModalTest BrowserDialogModalTest
+#else
+#define MAYBE_BrowserDialogModalTest DISABLED_BrowserDialogModalTest
+#endif
+IN_PROC_BROWSER_TEST_F(BrowserViewFocusTest, MAYBE_BrowserDialogModalTest) {
+  ASSERT_TRUE(ui_test_utils::BringBrowserWindowToFront(browser()));
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  const GURL url = embedded_test_server()->GetURL(kSimplePage);
+  ui_test_utils::NavigateToURL(browser(), url);
+  ASSERT_TRUE(browser()->window()->IsActive());
+
+  browser()->OpenFile();
+
+  gfx::NativeWindow window = browser()->window()->GetNativeWindow();
+  views::Widget* widget = views::Widget::GetWidgetForNativeWindow(window);
+  ASSERT_NE(nullptr, widget);
+
+  // Run a nested loop until the browser window becomes inactive.
+  WidgetActivationWaiter waiter(widget);
+  waiter.Wait();
+  EXPECT_FALSE(browser()->window()->IsActive());
+
+  ui_test_utils::ClickOnView(browser(), VIEW_ID_TAB_CONTAINER);
+  // The window should not get focus due to modal dialog.
+  EXPECT_FALSE(browser()->window()->IsActive());
+
+  ASSERT_TRUE(ui_test_utils::BringBrowserWindowToFront(browser()));
+  EXPECT_FALSE(browser()->window()->IsActive());
+
+  ASSERT_TRUE(ui_test_utils::ShowAndFocusNativeWindow(window));
+  EXPECT_FALSE(browser()->window()->IsActive());
+
+  ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
+      browser(), ui::VKEY_TAB, false, false, true, false));
+  EXPECT_FALSE(browser()->window()->IsActive());
+
+  browser()->CloseFileDialog();
+
+  ui_test_utils::ClickOnView(browser(), VIEW_ID_TAB_CONTAINER);
+  EXPECT_TRUE(browser()->window()->IsActive());
+}