Hitting Tab should always move cursor to end of omnibox text.

chrome/browser/browser_focus_uitest.cc

Index: chrome/browser/browser_focus_uitest.cc
diff --git a/chrome/browser/browser_focus_uitest.cc b/chrome/browser/browser_focus_uitest.cc
index 9bd27da34a013cb49d6b4b9dc16d70f00f124eba..75a6304387ba7e1157e6aa6f90b9d4731405d036 100644
--- a/chrome/browser/browser_focus_uitest.cc
+++ b/chrome/browser/browser_focus_uitest.cc
@@ -469,6 +469,10 @@ IN_PROC_BROWSER_TEST_F(BrowserFocusTest, MAYBE_FocusTraversal) {
     // Location bar should be focused.
     ASSERT_TRUE(IsViewFocused(VIEW_ID_LOCATION_BAR));
 
+    // Move the caret to the end, otherwise the next Tab key may not move focus.
+    ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
+        browser(), ui::VKEY_END, false, false, false, false));
+
     // Now let's press tab to move the focus.
     for (size_t j = 0; j < arraysize(kExpElementIDs); ++j) {
       SCOPED_TRACE(StringPrintf("inner loop %" PRIuS, j));
@@ -515,6 +519,10 @@ IN_PROC_BROWSER_TEST_F(BrowserFocusTest, MAYBE_FocusTraversal) {
     // Location bar should be focused.
     ASSERT_TRUE(IsViewFocused(VIEW_ID_LOCATION_BAR));
 
+    // Move the caret to the end, otherwise the next Tab key may not move focus.
+    ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
+        browser(), ui::VKEY_END, false, false, false, false));
+
     // Now let's press shift-tab to move the focus in reverse.
     for (size_t j = 0; j < arraysize(kExpElementIDs); ++j) {
       SCOPED_TRACE(StringPrintf("inner loop: %" PRIuS, j));
@@ -595,6 +603,10 @@ IN_PROC_BROWSER_TEST_F(BrowserFocusTest, MAYBE_FocusTraversalOnInterstitial) {
     // Location bar should be focused.
     ASSERT_TRUE(IsViewFocused(VIEW_ID_LOCATION_BAR));
 
+    // Move the caret to the end, otherwise the next Tab key may not move focus.
+    ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
+        browser(), ui::VKEY_END, false, false, false, false));
+
     // Now let's press tab to move the focus.
     for (size_t j = 0; j < 7; ++j) {
       // Let's make sure the focus is on the expected element in the page.
@@ -634,6 +646,10 @@ IN_PROC_BROWSER_TEST_F(BrowserFocusTest, MAYBE_FocusTraversalOnInterstitial) {
     // Location bar should be focused.
     ASSERT_TRUE(IsViewFocused(VIEW_ID_LOCATION_BAR));
 
+    // Move the caret to the end, otherwise the next Tab key may not move focus.
+    ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
+        browser(), ui::VKEY_END, false, false, false, false));
+
     // Now let's press shift-tab to move the focus in reverse.
     for (size_t j = 0; j < 7; ++j) {
       NotificationType::Type notification_type;