Convert base dependencies to use sys_string_conversions instead of the ICU...

base/base.gyp

Index: base/base.gyp
===================================================================
--- base/base.gyp	(revision 28166)
+++ base/base.gyp	(working copy)
@@ -34,6 +34,8 @@
         'third_party/dmg_fp/dmg_fp.h',
         'third_party/dmg_fp/dtoa.cc',
         'third_party/dmg_fp/g_fmt.cc',
+        'third_party/icu/icu_utf.cc',
+        'third_party/icu/icu_utf.h',
         'third_party/nspr/prcpucfg.h',
         'third_party/nspr/prcpucfg_win.h',
         'third_party/nspr/prtime.cc',
@@ -138,8 +140,8 @@
         'hmac_mac.cc',
         'hmac_nss.cc',
         'hmac_win.cc',
-        'i18n/string_conversions.cc',
-        'i18n/string_conversions.h',
+        'i18n/icu_string_conversions.cc',
+        'i18n/icu_string_conversions.h',
         'iat_patch.cc',
         'iat_patch.h',
         'icu_util.cc',
@@ -151,8 +153,8 @@
         'json_reader.h',
         'json_writer.cc',
         'json_writer.h',
-	'keyboard_code_conversion_gtk.cc',
-	'keyboard_code_conversion_gtk.h',
+        'keyboard_code_conversion_gtk.cc',
+        'keyboard_code_conversion_gtk.h',
         'keyboard_codes.h',
         'keyboard_codes_win.h',
         'keyboard_codes_posix.h',
@@ -323,6 +325,8 @@
         'tracked_objects.cc',
         'tracked_objects.h',
         'tuple.h',
+        'utf_string_conversions.cc',
+        'utf_string_conversions.h',
         'unix_domain_socket_posix.cc',
         'values.cc',
         'values.h',