Order function definitions in base/ according to the header.

BUG=68682
TEST=compiles

Review URL: http://codereview.chromium.org/6085015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70975 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/base/at_exit.cc b/base/at_exit.cc
index 9fdfd77..e6618a0 100644
--- a/base/at_exit.cc
+++ b/base/at_exit.cc
@@ -18,11 +18,6 @@
   g_top_manager = this;
 }
 
-AtExitManager::AtExitManager(bool shadow) : next_manager_(g_top_manager) {
-  DCHECK(shadow || !g_top_manager);
-  g_top_manager = this;
-}
-
 AtExitManager::~AtExitManager() {
   if (!g_top_manager) {
     NOTREACHED() << "Tried to ~AtExitManager without an AtExitManager";
@@ -64,4 +59,9 @@
   }
 }
 
+AtExitManager::AtExitManager(bool shadow) : next_manager_(g_top_manager) {
+  DCHECK(shadow || !g_top_manager);
+  g_top_manager = this;
+}
+
 }  // namespace base