Part 3 of reapplying r64637.

This moves SecurityStyle and PageType into chrome/common/ and removes the
chrome_frame dependency on chrome/browser/tab_contents/. This undoes the
temporary DEPS hack on chrome/common/.

BUG=51409
TEST=compiles

Review URL: http://codereview.chromium.org/4697005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@65965 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/tab_contents/tab_contents.cc b/chrome/browser/tab_contents/tab_contents.cc
index 91995c7..6d6c5750 100644
--- a/chrome/browser/tab_contents/tab_contents.cc
+++ b/chrome/browser/tab_contents/tab_contents.cc
@@ -685,7 +685,7 @@
   // Don't hide the url in view source mode and with interstitials.
   NavigationEntry* entry = controller_.GetActiveEntry();
   if (entry && (entry->IsViewSourceMode() ||
-                entry->page_type() == NavigationEntry::INTERSTITIAL_PAGE)) {
+                entry->page_type() == INTERSTITIAL_PAGE)) {
     return true;
   }