Workaround for navigating by word in the omnibox on Windows.

ui/accessibility/ax_text_utils_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 
 #include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/accessibility/ax_text_utils.h"
 
 namespace ui {
 
+TEST(AXTextUtils, FindAccessibleTextBoundaryWord) {
+  const base::string16 text =
+      base::UTF8ToUTF16("Hello there.This/is\ntesting.");
+  const size_t text_length = text.length();
+  std::vector<int> line_start_offsets;
+  line_start_offsets.push_back(19);
+  size_t result;
+
+  result = FindAccessibleTextBoundary(text, line_start_offsets, WORD_BOUNDARY,
+                                      0, FORWARDS_DIRECTION);
+  EXPECT_EQ(6UL, result);
+  result = FindAccessibleTextBoundary(text, line_start_offsets, WORD_BOUNDARY,
+                                      5, BACKWARDS_DIRECTION);
+  EXPECT_EQ(0UL, result);
+  result = FindAccessibleTextBoundary(text, line_start_offsets, WORD_BOUNDARY,
+                                      6, FORWARDS_DIRECTION);
+  EXPECT_EQ(12UL, result);
+  result = FindAccessibleTextBoundary(text, line_start_offsets, WORD_BOUNDARY,
+                                      11, BACKWARDS_DIRECTION);
+  EXPECT_EQ(6UL, result);
+  result = FindAccessibleTextBoundary(text, line_start_offsets, WORD_BOUNDARY,
+                                      12, BACKWARDS_DIRECTION);
+  EXPECT_EQ(12UL, result);
+  result = FindAccessibleTextBoundary(text, line_start_offsets, WORD_BOUNDARY,
+                                      15, FORWARDS_DIRECTION);
+  EXPECT_EQ(17UL, result);
+  result = FindAccessibleTextBoundary(text, line_start_offsets, WORD_BOUNDARY,
+                                      15, BACKWARDS_DIRECTION);
+  EXPECT_EQ(12UL, result);
+  result = FindAccessibleTextBoundary(text, line_start_offsets, WORD_BOUNDARY,
+                                      16, FORWARDS_DIRECTION);
+  EXPECT_EQ(17UL, result);
+  result = FindAccessibleTextBoundary(text, line_start_offsets, WORD_BOUNDARY,
+                                      17, FORWARDS_DIRECTION);
+  EXPECT_EQ(20UL, result);
+  result = FindAccessibleTextBoundary(text, line_start_offsets, WORD_BOUNDARY,
+                                      20, FORWARDS_DIRECTION);
+  EXPECT_EQ(text_length, result);
+  result = FindAccessibleTextBoundary(text, line_start_offsets, WORD_BOUNDARY,
+                                      text_length, BACKWARDS_DIRECTION);
+  EXPECT_EQ(20UL, result);
+}
+
 TEST(AXTextUtils, FindAccessibleTextBoundaryLine) {
   const base::string16 text = base::UTF8ToUTF16("Line 1.\nLine 2\n\t");
   const size_t text_length = text.length();
   std::vector<int> line_start_offsets;
   line_start_offsets.push_back(8);
   line_start_offsets.push_back(15);
   size_t result;
 
-
   // Basic cases.
   result = FindAccessibleTextBoundary(text, line_start_offsets, LINE_BOUNDARY,
                                       5, FORWARDS_DIRECTION);
   EXPECT_EQ(8UL, result);
   result = FindAccessibleTextBoundary(text, line_start_offsets, LINE_BOUNDARY,
                                        9, BACKWARDS_DIRECTION);
   EXPECT_EQ(8UL, result);
   result = FindAccessibleTextBoundary(text, line_start_offsets, LINE_BOUNDARY,
                                        10, FORWARDS_DIRECTION);
   EXPECT_EQ(15UL, result);
 
-
   // Edge cases.
-
   result = FindAccessibleTextBoundary(text, line_start_offsets, LINE_BOUNDARY,
                                       text_length, BACKWARDS_DIRECTION);
   EXPECT_EQ(15UL, result);
 
   // When the start_offset is at the start of the next line and we are searching
   // backwards, it should not move.
   result = FindAccessibleTextBoundary(text, line_start_offsets, LINE_BOUNDARY,
                                        15, BACKWARDS_DIRECTION);
   EXPECT_EQ(15UL, result);
 
@@ skipping 15 matching lines @@
                                       4, BACKWARDS_DIRECTION);
   EXPECT_EQ(0UL, result);
 
   // When we are at the start of the last line and we are searching forwards.
   // it should return the text length.
   result = FindAccessibleTextBoundary(text, line_start_offsets, LINE_BOUNDARY,
                                       15, FORWARDS_DIRECTION);
   EXPECT_EQ(text_length, result);
 }
 
-} // Namespace ui.
+}  // namespace ui