Enabled pressing TAB to cycle through the Omnibox results.

chrome/browser/ui/omnibox/omnibox_view_browsertest.cc

Index: chrome/browser/ui/omnibox/omnibox_view_browsertest.cc
===================================================================
--- chrome/browser/ui/omnibox/omnibox_view_browsertest.cc	(revision 117356)
+++ chrome/browser/ui/omnibox/omnibox_view_browsertest.cc	(working copy)
@@ -1013,59 +1013,48 @@
     ASSERT_TRUE(omnibox_view->IsSelectAll());
   }
 
-  void TabMoveCursorToEndTest() {
+  void TabAcceptKeyword() {
     OmniboxView* omnibox_view = NULL;
     ASSERT_NO_FATAL_FAILURE(GetOmniboxView(&omnibox_view));
 
-    omnibox_view->SetUserText(ASCIIToUTF16("Hello world"));
+    string16 text = ASCIIToUTF16(kSearchKeyword);
 
-    // Move cursor to the beginning.
-#if defined(OS_MACOSX)
-    // Home doesn't work on Mac trybot.
-    ASSERT_NO_FATAL_FAILURE(SendKey(ui::VKEY_A, ui::EF_CONTROL_DOWN));
-#else
-    ASSERT_NO_FATAL_FAILURE(SendKey(ui::VKEY_HOME, 0));
-#endif
+    // Trigger keyword hint mode.
+    ASSERT_NO_FATAL_FAILURE(SendKeySequence(kSearchKeywordKeys));
+    ASSERT_TRUE(omnibox_view->model()->is_keyword_hint());
+    ASSERT_EQ(text, omnibox_view->model()->keyword());
+    ASSERT_EQ(text, omnibox_view->GetText());
 
-    size_t start, end;
-    omnibox_view->GetSelectionBounds(&start, &end);
-    EXPECT_EQ(0U, start);
-    EXPECT_EQ(0U, end);
-
-    // Pressing tab should move cursor to the end.
+    // Trigger keyword mode by tab.
     ASSERT_NO_FATAL_FAILURE(SendKey(ui::VKEY_TAB, 0));
+    ASSERT_FALSE(omnibox_view->model()->is_keyword_hint());
+    ASSERT_EQ(text, omnibox_view->model()->keyword());
+    ASSERT_TRUE(omnibox_view->GetText().empty());
 
-    omnibox_view->GetSelectionBounds(&start, &end);
-    EXPECT_EQ(omnibox_view->GetText().size(), start);
-    EXPECT_EQ(omnibox_view->GetText().size(), end);
+    // Revert to keyword hint mode.
+    ASSERT_NO_FATAL_FAILURE(SendKey(ui::VKEY_BACK, 0));
+    ASSERT_TRUE(omnibox_view->model()->is_keyword_hint());
+    ASSERT_EQ(text, omnibox_view->model()->keyword());
+    ASSERT_EQ(text, omnibox_view->GetText());
 
     // The location bar should still have focus.
     ASSERT_TRUE(ui_test_utils::IsViewFocused(browser(),
                                              location_bar_focus_view_id_));
 
-    // Select all text.
-    omnibox_view->SelectAll(true);
-    EXPECT_TRUE(omnibox_view->IsSelectAll());
-    omnibox_view->GetSelectionBounds(&start, &end);
-    EXPECT_EQ(0U, start);
-    EXPECT_EQ(omnibox_view->GetText().size(), end);
-
-    // Pressing tab should move cursor to the end.
+    // Trigger keyword mode by tab.
     ASSERT_NO_FATAL_FAILURE(SendKey(ui::VKEY_TAB, 0));
+    ASSERT_FALSE(omnibox_view->model()->is_keyword_hint());
+    ASSERT_EQ(text, omnibox_view->model()->keyword());
+    ASSERT_TRUE(omnibox_view->GetText().empty());
 
-    omnibox_view->GetSelectionBounds(&start, &end);
-    EXPECT_EQ(omnibox_view->GetText().size(), start);
-    EXPECT_EQ(omnibox_view->GetText().size(), end);
+    // Revert to keyword hint mode with SHIFT+TAB.
+    ASSERT_NO_FATAL_FAILURE(SendKey(ui::VKEY_TAB, ui::EF_SHIFT_DOWN));
+    ASSERT_TRUE(omnibox_view->model()->is_keyword_hint());
+    ASSERT_EQ(text, omnibox_view->model()->keyword());
+    ASSERT_EQ(text, omnibox_view->GetText());
 
-    // The location bar should still have focus.
     ASSERT_TRUE(ui_test_utils::IsViewFocused(browser(),
                                              location_bar_focus_view_id_));
-
-    // Pressing tab when cursor is at the end should change focus.
-    ASSERT_NO_FATAL_FAILURE(SendKey(ui::VKEY_TAB, 0));
-
-    ASSERT_FALSE(ui_test_utils::IsViewFocused(browser(),
-                                              location_bar_focus_view_id_));
   }
 
   void PersistKeywordModeOnTabSwitch() {
@@ -1191,8 +1180,8 @@
   DeleteItemTest();
 }
 
-IN_PROC_BROWSER_TEST_F(OmniboxViewTest, TabMoveCursorToEnd) {
-  TabMoveCursorToEndTest();
+IN_PROC_BROWSER_TEST_F(OmniboxViewTest, TabAcceptKeyword) {
+  TabAcceptKeyword();
 }
 
 IN_PROC_BROWSER_TEST_F(OmniboxViewTest,