WIP: Introduce per-TabContents PrefService.

chrome/browser/ui/tab_contents/tab_contents_wrapper.h

Index: chrome/browser/ui/tab_contents/tab_contents_wrapper.h
diff --git a/chrome/browser/ui/tab_contents/tab_contents_wrapper.h b/chrome/browser/ui/tab_contents/tab_contents_wrapper.h
index 019c0b74d71ba8284bfdffa4594b95a60e2ef42b..5e876e5a11c28e765fa60199432d156f25c7db32 100644
--- a/chrome/browser/ui/tab_contents/tab_contents_wrapper.h
+++ b/chrome/browser/ui/tab_contents/tab_contents_wrapper.h
@@ -32,13 +32,14 @@ class FaviconTabHelper;
 class FileSelectObserver;
 class FindTabHelper;
 class FirewallTraversalObserver;
-class InfoBarTabHelper;
 class HistoryTabHelper;
+class InfoBarTabHelper;
 class NavigationController;
 class OmniboxSearchHint;
 class PasswordManager;
 class PasswordManagerDelegate;
 class PluginObserver;
+class PrefService;
 class Profile;
 class RestoreTabHelper;
 class SearchEngineTabHelper;
@@ -63,8 +64,8 @@ class PrerenderTabHelper;
 }
 
 namespace printing {
-class PrintViewManager;
 class PrintPreviewMessageHandler;
+class PrintViewManager;
 }
 
 namespace safe_browsing {
@@ -210,6 +211,10 @@ class TabContentsWrapper : public TabContentsObserver,
     return web_intent_picker_controller_.get();
   }
 
+  PrefService* per_tab_prefs() {

[Avi (use Gerrit), 2011/09/08 14:33:37]

When you notice a pattern of alphabetical items, please respect it and insert
your new item in the correct position.

+    return per_tab_prefs_.get();
+  }
+
   // Overrides -----------------------------------------------------------------
 
   // TabContentsObserver overrides:
@@ -308,6 +313,8 @@ class TabContentsWrapper : public TabContentsObserver,
 
   scoped_ptr<TranslateTabHelper> translate_tab_helper_;
 
+  scoped_ptr<PrefService> per_tab_prefs_;

[Avi (use Gerrit), 2011/09/08 14:33:37]

ditto re alphabetizing

+
   // Per-tab observers ---------------------------------------------------------
   // (These provide no API for callers; objects that need to exist 1:1 with tabs
   // and silently do their thing live here.)