Reversed WebState <-> CRWWebController ownership.

ios/web/web_state/ui/crw_web_controller.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IOS_WEB_WEB_STATE_UI_CRW_WEB_CONTROLLER_H_
 #define IOS_WEB_WEB_STATE_UI_CRW_WEB_CONTROLLER_H_
 
 #import <UIKit/UIKit.h>
 
 #import "ios/web/net/crw_request_tracker_delegate.h"
@@ skipping 43 matching lines @@
 class WebState;
 class WebInterstitialImpl;
 class WebStateImpl;
 }
 
 // Manages a view that can be used either for rendering web content in a web
 // view, or native content in a view provided by a NativeContentProvider.
 // CRWWebController also transparently evicts and restores the internal web
 // view based on memory pressure, and manages access to interact with the
 // web view.
-// This is an abstract class which must not be instantiated directly. A factory
-// function from web_controller_factory.h should be used instead.
+// This is an abstract class which must not be instantiated directly.

[kkhorimoto, 2016/04/12 21:36:13]

Are we going to keep CRWWKWebViewWebController around once we're finished
cleaning up all the UIWV stuff? 

[Eugene But (OOO till 7-30), 2016/04/13 02:51:26]

No. If you are worrying that this comment will rot after cleanup, I can remove
it now.

 // TODO(stuartmorgan): Move all of the navigation APIs out of this class.
 @interface CRWWebController : NSObject<CRWJSInjectionEvaluator,
                                        CRWRequestTrackerDelegate,
                                        CRWTouchTrackingDelegate,
                                        UIGestureRecognizerDelegate>
 
 // Whether or not a UIWebView is allowed to exist in this CRWWebController.
 // Defaults to NO; this should be enabled before attempting to access the view.
 @property(nonatomic, assign) BOOL webUsageEnabled;
 
@@ skipping 236 matching lines @@
 // Returns the header height.
 - (CGFloat)headerHeight;
 
 // Caches request POST data in the given session entry.  Exposed for testing.
 - (void)cachePOSTDataForRequest:(NSURLRequest*)request
                  inSessionEntry:(CRWSessionEntry*)currentSessionEntry;
 
 @end
 
 #endif  // IOS_WEB_WEB_STATE_UI_CRW_WEB_CONTROLLER_H_