Upstream most of the iOS WebUI support in ios/web/

ios/web/webui/url_data_manager_ios_backend.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2014 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 CONTENT_BROWSER_WEBUI_URL_DATA_MANAGER_BACKEND_H_
-#define CONTENT_BROWSER_WEBUI_URL_DATA_MANAGER_BACKEND_H_
+#ifndef IOS_INTERNAL_WEB_WEBUI_URL_DATA_MANAGER_BACKEND_IOS_H_
+#define IOS_INTERNAL_WEB_WEBUI_URL_DATA_MANAGER_BACKEND_IOS_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/supports_user_data.h"
-#include "content/browser/webui/url_data_manager.h"
-#include "content/public/browser/url_data_source.h"
+#include "ios/web/public/url_data_source_ios.h"
+#include "ios/web/webui/url_data_manager_ios.h"
 #include "net/url_request/url_request_job_factory.h"
 
 class GURL;
 
 namespace base {
 class RefCountedMemory;
 }
 
-namespace content {
-
-class AppCacheServiceImpl;
-class ChromeBlobStorageContext;
-class ResourceContext;
-class URLDataManagerBackend;
-class URLDataSourceImpl;
+namespace web {
+class BrowserState;
+class URLDataSourceIOSImpl;
 class URLRequestChromeJob;
 
-// URLDataManagerBackend is used internally by ChromeURLDataManager on the IO
-// thread. In most cases you can use the API in ChromeURLDataManager and ignore
-// this class. URLDataManagerBackend is owned by ResourceContext.
-class URLDataManagerBackend : public base::SupportsUserData::Data {
+// URLDataManagerIOSBackend is used internally by URLDataManagerIOS on
+// the IO thread. In most cases you can use the API in URLDataManagerIOS
+// and ignore this class. URLDataManagerIOSBackend is owned by BrowserState.
+class URLDataManagerIOSBackend : public base::SupportsUserData::Data {
  public:
   typedef int RequestID;
 
-  URLDataManagerBackend();
-  ~URLDataManagerBackend() override;
+  URLDataManagerIOSBackend();
+  ~URLDataManagerIOSBackend() override;
 
   // Invoked to create the protocol handler for chrome://. |is_incognito| should
-  // be set for incognito profiles. Called on the UI thread.
-  CONTENT_EXPORT static net::URLRequestJobFactory::ProtocolHandler*
-  CreateProtocolHandler(content::ResourceContext* resource_context,
-                        bool is_incognito,
-                        AppCacheServiceImpl* appcache_service,
-                        ChromeBlobStorageContext* blob_storage_context);
+  // be set for incognito browser states. Called on the UI thread.
+  static net::URLRequestJobFactory::ProtocolHandler* CreateProtocolHandler(
+      BrowserState* browser_state);
 
   // Adds a DataSource to the collection of data sources.
-  void AddDataSource(URLDataSourceImpl* source);
+  void AddDataSource(URLDataSourceIOSImpl* source);
 
   // DataSource invokes this. Sends the data to the URLRequest.
   void DataAvailable(RequestID request_id, base::RefCountedMemory* bytes);
 
   static net::URLRequestJob* Factory(net::URLRequest* request,
                                      const std::string& scheme);
 
  private:
   friend class URLRequestChromeJob;
 
-  typedef std::map<std::string,
-      scoped_refptr<URLDataSourceImpl> > DataSourceMap;
+  typedef std::map<std::string, scoped_refptr<URLDataSourceIOSImpl> >
+      DataSourceMap;
   typedef std::map<RequestID, URLRequestChromeJob*> PendingRequestMap;
 
   // Called by the job when it's starting up.
   // Returns false if |url| is not a URL managed by this object.
   bool StartRequest(const net::URLRequest* request, URLRequestChromeJob* job);
 
   // Helper function to call StartDataRequest on |source|'s delegate. This is
-  // needed because while we want to call URLDataSourceDelegate's method, we
+  // needed because while we want to call URLDataSourceIOSDelegate's method, we
   // need to add a refcount on the source.
-  static void CallStartRequest(scoped_refptr<URLDataSourceImpl> source,
+  static void CallStartRequest(scoped_refptr<URLDataSourceIOSImpl> source,
                                const std::string& path,
-                               int render_process_id,
-                               int render_frame_id,
                                int request_id);
 
   // Remove a request from the list of pending requests.
   void RemoveRequest(URLRequestChromeJob* job);
 
   // Returns true if the job exists in |pending_requests_|. False otherwise.
   // Called by ~URLRequestChromeJob to verify that |pending_requests_| is kept
   // up to date.
   bool HasPendingJob(URLRequestChromeJob* job) const;
 
   // Look up the data source for the request. Returns the source if it is found,
   // else NULL.
-  URLDataSourceImpl* GetDataSourceFromURL(const GURL& url);
+  URLDataSourceIOSImpl* GetDataSourceFromURL(const GURL& url);
 
   // Custom sources of data, keyed by source path (e.g. "favicon").
   DataSourceMap data_sources_;
 
   // All pending URLRequestChromeJobs, keyed by ID of the request.
   // URLRequestChromeJob calls into this object when it's constructed and
   // destructed to ensure that the pointers in this map remain valid.
   PendingRequestMap pending_requests_;
 
   // The ID we'll use for the next request we receive.
   RequestID next_request_id_;
 
-  DISALLOW_COPY_AND_ASSIGN(URLDataManagerBackend);
+  DISALLOW_COPY_AND_ASSIGN(URLDataManagerIOSBackend);
 };
 
-// Creates protocol handler for chrome-devtools://. |is_incognito| should be
-// set for incognito profiles.
-net::URLRequestJobFactory::ProtocolHandler*
-CreateDevToolsProtocolHandler(content::ResourceContext* resource_context,
-                              bool is_incognito);
+}  // namespace web
 
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_WEBUI_URL_DATA_MANAGER_BACKEND_H_
+#endif  // IOS_INTERNAL_WEB_WEBUI_URL_DATA_MANAGER_BACKEND_IOS_H_