importer: Pull ExternalProcessImporterClient out of ImporterHost.

BUG=None
TEST=None

Review URL: http://codereview.chromium.org/6679004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@77869 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index d21d2cc..93bf4d77 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -1194,6 +1194,8 @@
         'browser/idle_win.cc',
         'browser/ime_input.cc',
         'browser/ime_input.h',
+        'browser/importer/external_process_importer_client.cc',
+        'browser/importer/external_process_importer_client.h',
         'browser/importer/firefox2_importer.cc',
         'browser/importer/firefox2_importer.h',
         'browser/importer/firefox3_importer.cc',