Add test for ChromeVox keyboard commands.

This is just a couple of quick sanity checks to prevent future regressions
like the one in the linked bug. It tests both a Search+Shift shortcut and
the corresponding Prefix Key shortcut.

Adds support for sending the meta modifier key in
aura/x11 tests.

BUG=404470

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=291547

Review URL: https://codereview.chromium.org/490443002

Cr-Commit-Position: refs/heads/master@{#293234}

chrome/browser/chromeos/accessibility/spoken_feedback_browsertest.cc

@@ -60,11 +60,24 @@ class LoggedInSpokenFeedbackTest : public InProcessBrowserTest {
   }
 
   void SendKeyPress(ui::KeyboardCode key) {
-    gfx::NativeWindow root_window =
-        ash::Shell::GetInstance()->GetPrimaryRootWindow();
-    ASSERT_TRUE(
-        ui_test_utils::SendKeyPressToWindowSync(
-            root_window, key, false, false, false, false));
+    ASSERT_NO_FATAL_FAILURE(
+        ASSERT_TRUE(
+            ui_test_utils::SendKeyPressToWindowSync(
+                NULL, key, false, false, false, false)));
+  }
+
+  void SendKeyPressWithControl(ui::KeyboardCode key) {
+    ASSERT_NO_FATAL_FAILURE(
+        ASSERT_TRUE(
+            ui_test_utils::SendKeyPressToWindowSync(
+                NULL, key, true, false, false, false)));
+  }
+
+  void SendKeyPressWithSearchAndShift(ui::KeyboardCode key) {
+    ASSERT_NO_FATAL_FAILURE(
+        ASSERT_TRUE(
+            ui_test_utils::SendKeyPressToWindowSync(
+                NULL, key, false, true, false, true)));
   }
 
   void RunJavaScriptInChromeVoxBackgroundPage(const std::string& script) {
@@ -238,6 +251,93 @@ IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, TypeInOmnibox) {
   EXPECT_EQ("z", monitor.GetNextUtterance());
 }
 
+IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, ChromeVoxShiftSearch) {
+  EXPECT_FALSE(AccessibilityManager::Get()->IsSpokenFeedbackEnabled());
+
+  SpeechMonitor monitor;
+  AccessibilityManager::Get()->EnableSpokenFeedback(
+      true, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(monitor.SkipChromeVoxEnabledMessage());
+
+  ui_test_utils::NavigateToURL(
+      browser(),
+      GURL("data:text/html;charset=utf-8,<button autofocus>Click me</button>"));
+  while (true) {
+    std::string utterance = monitor.GetNextUtterance();
+    if (utterance == "Click me")
+      break;
+  }
+  EXPECT_EQ("Button", monitor.GetNextUtterance());
+
+  // Press Search+Shift+/ to enter ChromeVox's "find in page".
+  SendKeyPressWithSearchAndShift(ui::VKEY_OEM_2);
+  EXPECT_EQ("Find in page.", monitor.GetNextUtterance());
+  EXPECT_EQ("Enter a search query.", monitor.GetNextUtterance());
+}
+
+IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, ChromeVoxPrefixKey) {
+  EXPECT_FALSE(AccessibilityManager::Get()->IsSpokenFeedbackEnabled());
+
+  SpeechMonitor monitor;
+  AccessibilityManager::Get()->EnableSpokenFeedback(
+      true, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(monitor.SkipChromeVoxEnabledMessage());
+
+  ui_test_utils::NavigateToURL(
+      browser(),
+      GURL("data:text/html;charset=utf-8,<button autofocus>Click me</button>"));
+  while (true) {
+    std::string utterance = monitor.GetNextUtterance();
+    if (utterance == "Click me")
+      break;
+  }
+  EXPECT_EQ("Button", monitor.GetNextUtterance());
+
+  // Press the prefix key Ctrl+';' followed by '/'
+  // to enter ChromeVox's "find in page".
+  SendKeyPressWithControl(ui::VKEY_OEM_1);
+  SendKeyPress(ui::VKEY_OEM_2);
+  EXPECT_EQ("Find in page.", monitor.GetNextUtterance());
+  EXPECT_EQ("Enter a search query.", monitor.GetNextUtterance());
+}
+
+IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, ChromeVoxNavigateAndSelect) {
+  EXPECT_FALSE(AccessibilityManager::Get()->IsSpokenFeedbackEnabled());
+
+  SpeechMonitor monitor;
+  AccessibilityManager::Get()->EnableSpokenFeedback(
+      true, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(monitor.SkipChromeVoxEnabledMessage());
+
+  ui_test_utils::NavigateToURL(
+      browser(),
+      GURL("data:text/html;charset=utf-8,"
+           "<h1>Title</h1>"
+           "<button autofocus>Click me</button>"));
+  while (true) {
+    std::string utterance = monitor.GetNextUtterance();
+    if (utterance == "Click me")
+      break;
+  }
+  EXPECT_EQ("Button", monitor.GetNextUtterance());
+
+  // Press Search+Shift+Up to navigate to the previous item.
+  SendKeyPressWithSearchAndShift(ui::VKEY_UP);
+  EXPECT_EQ("Title", monitor.GetNextUtterance());
+  EXPECT_EQ("Heading 1", monitor.GetNextUtterance());
+
+  // Press Search+Shift+S to select the text.
+  SendKeyPressWithSearchAndShift(ui::VKEY_S);
+  EXPECT_EQ("Start selection", monitor.GetNextUtterance());
+  EXPECT_EQ("Title", monitor.GetNextUtterance());
+  EXPECT_EQ(", selected", monitor.GetNextUtterance());
+
+  // Press again to end the selection.
+  SendKeyPressWithSearchAndShift(ui::VKEY_S);
+  EXPECT_EQ("End selection", monitor.GetNextUtterance());
+  EXPECT_EQ("Title", monitor.GetNextUtterance());
+}
+
 IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, TouchExploreStatusTray) {
   EXPECT_FALSE(AccessibilityManager::Get()->IsSpokenFeedbackEnabled());
 

ui/aura/test/ui_controls_factory_aurax11.cc

@@ -56,7 +56,6 @@ class UIControlsX11 : public UIControlsAura {
                             bool shift,
                             bool alt,
                             bool command) OVERRIDE {
-    DCHECK(!command);  // No command key on Aura
     return SendKeyPressNotifyWhenDone(
         window, key, control, shift, alt, command, base::Closure());
   }
@@ -68,7 +67,6 @@ class UIControlsX11 : public UIControlsAura {
       bool alt,
       bool command,
       const base::Closure& closure) OVERRIDE {
-    DCHECK(!command);  // No command key on Aura
     XEvent xevent = {0};
     xevent.xkey.type = KeyPress;
     if (control)
@@ -77,6 +75,8 @@ class UIControlsX11 : public UIControlsAura {
       SetKeycodeAndSendThenMask(&xevent, XK_Shift_L, ShiftMask);
     if (alt)
       SetKeycodeAndSendThenMask(&xevent, XK_Alt_L, Mod1Mask);
+    if (command)
+      SetKeycodeAndSendThenMask(&xevent, XK_Super_L, Mod4Mask);
     xevent.xkey.keycode =
         XKeysymToKeycode(gfx::GetXDisplay(),
                          ui::XKeysymForWindowsKeyCode(key, shift));
@@ -91,6 +91,8 @@ class UIControlsX11 : public UIControlsAura {
       UnmaskAndSetKeycodeThenSend(&xevent, ShiftMask, XK_Shift_L);
     if (control)
       UnmaskAndSetKeycodeThenSend(&xevent, ControlMask, XK_Control_L);
+    if (command)
+      UnmaskAndSetKeycodeThenSend(&xevent, Mod4Mask, XK_Super_L);
     DCHECK(!xevent.xkey.state);
     RunClosureAfterAllPendingUIEvents(closure);
     return true;

ui/aura/test/ui_controls_factory_ozone.cc

@@ -55,6 +55,11 @@ class UIControlsOzone : public ui_controls::UIControlsAura {
       PostKeyEvent(ui::ET_KEY_PRESSED, ui::VKEY_MENU, flags);
     }
 
+    if (command) {
+      flags |= ui::EF_COMMAND_DOWN;
+      PostKeyEvent(ui::ET_KEY_PRESSED, ui::VKEY_LWIN, flags);
+    }
+
     PostKeyEvent(ui::ET_KEY_PRESSED, key, flags);
     PostKeyEvent(ui::ET_KEY_RELEASED, key, flags);
 
@@ -73,6 +78,11 @@ class UIControlsOzone : public ui_controls::UIControlsAura {
       PostKeyEvent(ui::ET_KEY_RELEASED, ui::VKEY_CONTROL, flags);
     }
 
+    if (command) {
+      flags &= ~ui::EF_COMMAND_DOWN;
+      PostKeyEvent(ui::ET_KEY_RELEASED, ui::VKEY_LWIN, flags);
+    }
+
     RunClosureAfterAllPendingUIEvents(closure);
     return true;
   }