Allow huge data: URIs only via WebView.loadDataWithBaseUrl

content/common/navigation_params.h

 // 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_COMMON_NAVIGATION_PARAMS_H_
 #define CONTENT_COMMON_NAVIGATION_PARAMS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/time/time.h"
 #include "content/common/content_export.h"
 #include "content/common/frame_message_enums.h"
 #include "content/public/common/page_state.h"
 #include "content/public/common/referrer.h"
 #include "content/public/common/request_context_type.h"
 #include "ui/base/page_transition_types.h"
 #include "url/gurl.h"
 
-namespace base {
-class RefCountedMemory;
-}
-
 namespace content {
 
 // The LoFi state which determines whether to add the Lo-Fi header.
 enum LoFiState {
   // Let the browser process decide whether or not to request the Lo-Fi version.
   LOFI_UNSPECIFIED = 0,
 
   // Request a normal (non-Lo-Fi) version of the resource.
   LOFI_OFF,
 
@@ skipping 264 matching lines @@
   // PlzNavigate
   // Whether a ServiceWorkerProviderHost should be created for the window.
   bool should_create_service_worker;
 
   // PlzNavigate
   // The ServiceWorkerProviderHost ID used for navigations, if it was already
   // created by the browser. Set to kInvalidServiceWorkerProviderId otherwise.
   // This parameter is not used in the current navigation architecture, where
   // it will always be equal to kInvalidServiceWorkerProviderId.
   int service_worker_provider_id;
+
+#if defined(OS_ANDROID)
+  // The real content of the data: URL. Used to circumvent the restriction

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

nit: Can you add something about how this is only intended to be used for
LoadDataWithBaseURL (and that it's optional, such that short data URLs can be
put directly into the URL)?

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

Done.

+  // on the GURL max length.
+  std::string data_url_as_string;
+#endif
 };
 
 // Helper struct keeping track in one place of all the parameters the browser
 // needs to provide to the renderer.
 struct NavigationParams {
   NavigationParams(const CommonNavigationParams& common_params,
                    const StartNavigationParams& start_params,
                    const RequestNavigationParams& request_params);
   ~NavigationParams();
 
   CommonNavigationParams common_params;
   StartNavigationParams start_params;
   RequestNavigationParams request_params;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_NAVIGATION_PARAMS_H_