Run appcache layout tests in chrome using the ui test harness. ...

chrome/test/ui/ui_layout_test.cc

Index: chrome/test/ui/ui_layout_test.cc
===================================================================
--- chrome/test/ui/ui_layout_test.cc	(revision 50901)
+++ chrome/test/ui/ui_layout_test.cc	(working copy)
@@ -156,6 +156,16 @@
   ASSERT_TRUE(file_util::CopyDirectory(src_dir, dest_dir, true));
 }
 
+static size_t FindInsertPosition(const std::string& html) {
+  size_t tag_start = html.find("<html");
+  if (tag_start == std::string::npos)
+    return 0;
+  size_t tag_end = html.find(">", tag_start);
+  if (tag_end == std::string::npos)
+    return 0;
+  return tag_end + 1;
+}
+
 void UILayoutTest::RunLayoutTest(const std::string& test_case_file_name,
                                  int port) {
   SCOPED_TRACE(test_case_file_name.c_str());
@@ -175,9 +185,10 @@
   ASSERT_TRUE(file_util::ReadFileToString(test_file_path, &test_html));
 
   // Injects the layout test controller into the test HTML.
-  test_html.insert(0, layout_test_controller_);
-  ReplaceSubstringsAfterOffset(
-      &test_html, 0, "%COOKIE%", status_cookie.c_str());
+  size_t insertion_position = FindInsertPosition(test_html);
+  test_html.insert(insertion_position, layout_test_controller_);
+  ReplaceFirstSubstringAfterOffset(
+      &test_html, insertion_position, "%COOKIE%", status_cookie.c_str());
 
   // Creates the new layout test HTML file.
   FilePath new_test_file_path(new_layout_test_dir_);