Allow huge data: URIs only via WebView.loadDataWithBaseUrl

content/public/browser/navigation_controller.h

 // Copyright (c) 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 CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_
 #define CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/global_request_id.h"
 #include "content/public/browser/session_storage_namespace.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/common/referrer.h"
 #include "ui/base/page_transition_types.h"
 #include "url/gurl.h"
 
 namespace base {
 
 class RefCountedMemory;
+class RefCountedString;
 
 }  // namespace base
 
 namespace content {
 
 class BrowserContext;
 class NavigationEntry;
 class WebContents;
 
 // A NavigationController maintains the back-forward list for a WebContents and
@@ skipping 119 matching lines @@
     GlobalRequestID transferred_global_request_id;
 
     // Used in LOAD_TYPE_DATA loads only. Used for specifying a base URL
     // for pages loaded via data URLs.
     GURL base_url_for_data_url;
 
     // Used in LOAD_TYPE_DATA loads only. URL displayed to the user for
     // data loads.
     GURL virtual_url_for_data_url;
 
+#if defined(OS_ANDROID)
+    // Used in LOAD_TYPE_DATA loads only. The real data URI represented

[Charlie Reis, 2015/12/14 20:35:57]

nit: is represented

[mnaganov (inactive), 2015/12/15 18:30:29]

Done.

+    // as a string to circumvent the restriction on GURL size.

[Charlie Reis, 2015/12/14 20:35:57]

nit: Can you mention something about it being optional, such that short data
URLs can be specified in |url|?

[mnaganov (inactive), 2015/12/15 18:30:29]

Done.

+    scoped_refptr<base::RefCountedString> data_url_as_string;
+#endif
+
     // Used in LOAD_TYPE_BROWSER_INITIATED_HTTP_POST loads only. Carries the
     // post data of the load. Ownership is transferred to NavigationController
     // after LoadURLWithParams call.
     scoped_refptr<base::RefCountedMemory> browser_initiated_post_data;
 
     // True if this URL should be able to access local resources.
     bool can_load_local_resources;
 
     // Indicates whether this navigation should replace the current
     // navigation entry.
@@ skipping 301 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class NavigationControllerImpl;
   NavigationController() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_