Remove isolated app code from iOS's chrome_browser_state_io_data.

ios/chrome/browser/browser_state/chrome_browser_state_impl_io_data.h

Index: ios/chrome/browser/browser_state/chrome_browser_state_impl_io_data.h
diff --git a/ios/chrome/browser/browser_state/chrome_browser_state_impl_io_data.h b/ios/chrome/browser/browser_state/chrome_browser_state_impl_io_data.h
index c9449ea9a6da2a619fe59ae754964f8ab8705f0e..b2d1fd9c780233f9eff33674239d82c213f6681f 100644
--- a/ios/chrome/browser/browser_state/chrome_browser_state_impl_io_data.h
+++ b/ios/chrome/browser/browser_state/chrome_browser_state_impl_io_data.h
@@ -55,8 +55,6 @@ class ChromeBrowserStateImplIOData : public ChromeBrowserStateIOData {
                                    PrefService* local_state,
                                    IOSChromeIOThread* io_thread) const;
     scoped_refptr<IOSChromeURLRequestContextGetter>
-    CreateIsolatedAppRequestContextGetter(
-        const base::FilePath& partition_path) const;
 
     ChromeBrowserStateIOData* io_data() const;
 
@@ -84,11 +82,10 @@ class ChromeBrowserStateImplIOData : public ChromeBrowserStateIOData {
     // for invalidation on IO thread.
     scoped_ptr<IOSChromeURLRequestContextGetterVector> GetAllContextGetters();
 
-    // The getters will be invalidated on the IO thread before
+    // The getter will be invalidated on the IO thread before
     // ChromeBrowserStateIOData instance is deleted.
     mutable scoped_refptr<IOSChromeURLRequestContextGetter>
         main_request_context_getter_;
-    mutable IOSChromeURLRequestContextGetterMap app_request_context_getter_map_;
     ChromeBrowserStateImplIOData* const io_data_;
 
     ios::ChromeBrowserState* const browser_state_;
@@ -119,10 +116,6 @@ class ChromeBrowserStateImplIOData : public ChromeBrowserStateIOData {
       scoped_ptr<IOSChromeNetworkDelegate> chrome_network_delegate,
       ProfileParams* profile_params,
       ProtocolHandlerMap* protocol_handlers) const override;
-  net::URLRequestContext* InitializeAppRequestContext(
-      net::URLRequestContext* main_context) const override;
-  net::URLRequestContext* AcquireIsolatedAppRequestContext(
-      net::URLRequestContext* main_context) const override;
 
   // Deletes all network related data since |time|. It deletes transport
   // security state since |time| and also deletes HttpServerProperties data.
@@ -151,10 +144,6 @@ class ChromeBrowserStateImplIOData : public ChromeBrowserStateIOData {
   mutable scoped_ptr<net::SdchManager> sdch_manager_;
   mutable scoped_ptr<net::SdchOwner> sdch_policy_;
 
-  // Parameters needed for isolated apps.
-  base::FilePath profile_path_;
-  int app_cache_max_size_;
-
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserStateImplIOData);
 };