Add PropertyBag to TabContents. Convert the autocomplete state as a proof of concept. Add necessary const accessors to property bag.

BUG=5260
Review URL: http://codereview.chromium.org/13707

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@6920 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 9 insertions, 12 deletions

diff --git a/chrome/browser/tab_contents.h b/chrome/browser/tab_contents.h
index 4ff6a44..0c40e36 100644
--- a/chrome/browser/tab_contents.h
+++ b/chrome/browser/tab_contents.h
@@ -15,6 +15,7 @@
 #include "chrome/browser/page_navigator.h"
 #include "chrome/browser/tab_contents_type.h"
 #include "chrome/common/navigation_types.h"
+#include "chrome/common/property_bag.h"
 
 namespace gfx {
 class Rect;
@@ -112,6 +113,12 @@ class TabContents : public PageNavigator,
   // Returns the type of tab this is. See also the As* functions following.
   TabContentsType type() const { return type_; }
 
+  // Returns the property bag for this tab contents, where callers can add
+  // extra data they may wish to associate with the tab. Returns a pointer
+  // rather than a reference since the PropertyAccessors expect this.
+  const PropertyBag* property_bag() const { return &property_bag_; }
+  PropertyBag* property_bag() { return &property_bag_; }
+
   // Returns this object as a WebContents if it is one, and NULL otherwise.
   virtual WebContents* AsWebContents() { return NULL; }
 
@@ -220,16 +227,6 @@ class TabContents : public PageNavigator,
 
   // Internal state ------------------------------------------------------------
 
-  // For use when switching tabs, these functions allow the tab contents to
-  // hold the per-tab state of the location bar.  The tab contents takes
-  // ownership of the pointer.
-  void set_saved_location_bar_state(const AutocompleteEditState* state) {
-    saved_location_bar_state_.reset(state);
-  }
-  const AutocompleteEditState* saved_location_bar_state() const {
-    return saved_location_bar_state_.get();
-  }
-
   // This flag indicates whether the tab contents is currently being
   // screenshotted by the DraggedTabController.
   bool capturing_contents() const { return capturing_contents_; }
@@ -512,6 +509,8 @@ class TabContents : public PageNavigator,
   TabContentsDelegate* delegate_;
   NavigationController* controller_;
 
+  PropertyBag property_bag_;
+
   // Indicates whether we're currently loading a resource.
   bool is_loading_;
 
@@ -523,8 +522,6 @@ class TabContents : public PageNavigator,
   // See waiting_for_response() above.
   bool waiting_for_response_;
 
-  scoped_ptr<const AutocompleteEditState> saved_location_bar_state_;
-
   // The download shelf view (view at the bottom of the page).
   scoped_ptr<DownloadShelfView> download_shelf_view_;