Parsed search.json for importing search engine settings from FireFox.

chrome/test/data/firefox_profile/README

Index: chrome/test/data/firefox_profile/README
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+This directory is created to hold test data for Firefox importer browser tests.
+
+Since Firefox 3.5, instead of search.sqlite, all search engines are stored in
+search.json. The test data in this directory is intended for Firefox 3.5 and
+later.
+
+The search.json is grabbed from profile directory of Firefox 28.0 that runs in
+Ubuntu 12.04.4 LTS. To make this test search.json light weight, the keys
+|_iconURL| and |_iconMapObj| are removed from each search engines' dictionary.
+Moreover, each list of |engines| is updated to respect existing
+|kFirefoxKeywords|. Please NOTE that values of |filePath| is dependant on
+workstation. The values of |filePath| are location of XML files for Firefox
+search engines. All test XML files can be found in
+/src/chrome/test/data/firefox_searchplugins directory. The directory contains
+two sub-directories, namely |default| and |custom|. XML files for "default" and
+"custom/installed" search engines are placed in |default| and |custom|
+sub-directory respectively.
+
+All other files are grabbed from
+/src/chrome/test/data/firefox35_profile because
+
+1) They respect the existing |kFirefoxBookmarks|, |kFirefoxPasswords|
+of firefox_importer_browsertests.cc.
+2) Unlike search.sqlite, their behavior have not changed.