Revert "FBTF: Move the TabRestoreService::Observer into its own file."

chrome/browser/sessions/session_types.cc

Index: chrome/browser/sessions/session_types.cc
diff --git a/chrome/browser/sessions/session_types.cc b/chrome/browser/sessions/session_types.cc
index 995a9a2590865c07181b661919d633f2c9536249..cdf77f6ce6ac8ab345fe151c9579a9c85f0c96c9 100644
--- a/chrome/browser/sessions/session_types.cc
+++ b/chrome/browser/sessions/session_types.cc
@@ -11,51 +11,6 @@
 
 // TabNavigation --------------------------------------------------------------
 
-TabNavigation::TabNavigation()
-    : transition_(PageTransition::TYPED),
-      type_mask_(0),
-      index_(-1) {
-}
-
-TabNavigation::TabNavigation(int index,
-                             const GURL& virtual_url,
-                             const GURL& referrer,
-                             const string16& title,
-                             const std::string& state,
-                             PageTransition::Type transition)
-    : virtual_url_(virtual_url),
-      referrer_(referrer),
-      title_(title),
-      state_(state),
-      transition_(transition),
-      type_mask_(0),
-      index_(index) {
-}
-
-TabNavigation::TabNavigation(const TabNavigation& tab)
-    : virtual_url_(tab.virtual_url_),
-      referrer_(tab.referrer_),
-      title_(tab.title_),
-      state_(tab.state_),
-      transition_(tab.transition_),
-      type_mask_(tab.type_mask_),
-      index_(tab.index_) {
-}
-
-TabNavigation::~TabNavigation() {
-}
-
-TabNavigation& TabNavigation::operator=(const TabNavigation& tab) {
-  virtual_url_ = tab.virtual_url_;
-  referrer_ = tab.referrer_;
-  title_ = tab.title_;
-  state_ = tab.state_;
-  transition_ = tab.transition_;
-  type_mask_ = tab.type_mask_;
-  index_ = tab.index_;
-  return *this;
-}
-
 // static
 NavigationEntry* TabNavigation::ToNavigationEntry(int page_id,
                                                   Profile *profile) const {
@@ -84,17 +39,6 @@ void TabNavigation::SetFromNavigationEntry(const NavigationEntry& entry) {
   type_mask_ = entry.has_post_data() ? TabNavigation::HAS_POST_DATA : 0;
 }
 
-// SessionTab -----------------------------------------------------------------
-
-SessionTab::SessionTab()
-    : tab_visual_index(-1),
-      current_navigation_index(-1),
-      pinned(false) {
-}
-
-SessionTab::~SessionTab() {
-}
-
 // SessionWindow ---------------------------------------------------------------
 
 SessionWindow::SessionWindow()