Fix a couple of firefox search engine import bugs.

chrome/browser/importer/firefox_importer_utils_unittest.cc

+// Copyright (c) 2010 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 "testing/gtest/include/gtest/gtest.h"
+
+#include "chrome/browser/importer/firefox_importer_utils.h"
+
+struct GetPrefsJsValueCase {
+  std::string prefs_content;
+  std::string pref_name;
+  std::string pref_value;
+} GetPrefsJsValueCases[] = {
+  // Basic case. Single pref, unquoted value.
+  { "user_pref(\"foo.bar\", 1);", "foo.bar", "1" },
+  // Value is quoted. Quotes should be stripped.
+  { "user_pref(\"foo.bar\", \"1\");", "foo.bar", "1" },
+  // Value has parens.
+  { "user_pref(\"foo.bar\", \"Value (detail)\");",
+    "foo.bar", "Value (detail)" },
+  // Multi-line case.
+  { "user_pref(\"foo.bar\", 1);\n"
+    "user_pref(\"foo.baz\", 2);\n"
+    "user_pref(\"foo.bag\", 3);",
+    "foo.baz", "2" },
+  // Malformed content.
+  { "user_pref(\"foo.bar\", 1);\n"
+    "user_pref(\"foo.baz\", 2;\n"
+    "user_pref(\"foo.bag\", 3);",
+    "foo.baz", "" },
+  // Malformed content.
+  { "uesr_pref(\"foo.bar\", 1);", "foo.bar", "" },
+};
+
+TEST(FirefoxImporterUtilsTest, GetPrefsJsValue) {
+  for (size_t i = 0; i < arraysize(GetPrefsJsValueCases); ++i) {
+    EXPECT_EQ(
+      GetPrefsJsValueCases[i].pref_value,
+      GetPrefsJsValue(GetPrefsJsValueCases[i].prefs_content,
+                      GetPrefsJsValueCases[i].pref_name));
+  }
+}