Fixed a bug that assumed that static text object span only one line

content/browser/accessibility/accessibility_win_browsertest.cc

Index: content/browser/accessibility/accessibility_win_browsertest.cc
diff --git a/content/browser/accessibility/accessibility_win_browsertest.cc b/content/browser/accessibility/accessibility_win_browsertest.cc
index 28171d7895d8bacaaa2bb3f46085718cefeeeccb..f79c89a37cc65b36c756bad26a126291a1df6997 100644
--- a/content/browser/accessibility/accessibility_win_browsertest.cc
+++ b/content/browser/accessibility/accessibility_win_browsertest.cc
@@ -1622,7 +1622,9 @@ IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
         L"Game theory is \"the study of \xFFFC of conflict and\n");
   }
 
-  for (LONG i = newline_offset + 1; i < n_characters; ++i) {
+  // For line boundaries, IA2 Spec allows for the offset to be equal to the
+  // text's length.
+  for (LONG i = newline_offset + 1; i <= n_characters; ++i) {
     CheckTextAtOffset(
         paragraph_text, i, IA2_TEXT_BOUNDARY_LINE, newline_offset + 1,
         n_characters,