Split CustomHomePagesTableModel into its own file so it can be shared with the Gtk UI.

BUG=43802
TEST=manual

Review URL: http://codereview.chromium.org/2061003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@46993 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index d2a213e..2252892 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -862,6 +862,8 @@
         'browser/cookies_tree_model.h',
         'browser/cross_site_request_manager.cc',
         'browser/cross_site_request_manager.h',
+        'browser/custom_home_pages_table_model.cc',
+        'browser/custom_home_pages_table_model.h',
         'browser/defaults.cc',
         'browser/defaults.h',
         'browser/diagnostics/diagnostics_main.cc',