Move remaining non-test, non-Chrome-specific Prefs code to base/prefs/.

This is a mostly-automated change, using
./tools/git/move_source_file.py to move files and fix up include
guards and #includes from other files. Manual edits were limited to
fixing up .gypi files and adding BASE_PREFS_EXPORT where needed.

[email protected]
BUG=155525

Review URL: https://codereview.chromium.org/12211105

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@181707 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/ui/browser_navigator_browsertest.cc b/chrome/browser/ui/browser_navigator_browsertest.cc
index 3203cd8..e0562b2 100644
--- a/chrome/browser/ui/browser_navigator_browsertest.cc
+++ b/chrome/browser/ui/browser_navigator_browsertest.cc
@@ -5,9 +5,9 @@
 #include "chrome/browser/ui/browser_navigator_browsertest.h"
 
 #include "base/command_line.h"
+#include "base/prefs/pref_service.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
-#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_list.h"