Allow huge data: URIs only via WebView.loadDataWithBaseUrl

content/common/navigation_params.cc

 // 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.
 
 #include "content/common/navigation_params.h"
 
 #include "base/command_line.h"
-#include "base/memory/ref_counted_memory.h"
+#include "content/common/content_constants_internal.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "content/public/common/content_switches.h"
 
 namespace content {
 
 // PlzNavigate
 bool ShouldMakeNetworkRequestForURL(const GURL& url) {
   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableBrowserSideNavigation));
 
@@ skipping 19 matching lines @@
     const GURL& url,
     const Referrer& referrer,
     ui::PageTransition transition,
     FrameMsg_Navigate_Type::Value navigation_type,
     bool allow_download,
     bool should_replace_current_entry,
     base::TimeTicks ui_timestamp,
     FrameMsg_UILoadMetricsReportType::Value report_type,
     const GURL& base_url_for_data_url,
     const GURL& history_url_for_data_url,
+    const std::string& data_url_as_string,
     LoFiState lofi_state,
     const base::TimeTicks& navigation_start)
     : url(url),
       referrer(referrer),
       transition(transition),
       navigation_type(navigation_type),
       allow_download(allow_download),
       should_replace_current_entry(should_replace_current_entry),
       ui_timestamp(ui_timestamp),
       report_type(report_type),
       base_url_for_data_url(base_url_for_data_url),
       history_url_for_data_url(history_url_for_data_url),
+      data_url_as_string(data_url_as_string),
       lofi_state(lofi_state),
       navigation_start(navigation_start) {
+  if (data_url_as_string.length() > kMaxLengthOfDataURLString)
+    this->data_url_as_string = std::string();
 }
 
 CommonNavigationParams::~CommonNavigationParams() {
 }
 
 BeginNavigationParams::BeginNavigationParams()
     : load_flags(0),
       has_user_gesture(false),
       skip_service_worker(false),
       request_context_type(REQUEST_CONTEXT_TYPE_LOCATION) {}
@@ skipping 103 matching lines @@
     const RequestNavigationParams& request_params)
     : common_params(common_params),
       start_params(start_params),
       request_params(request_params) {
 }
 
 NavigationParams::~NavigationParams() {
 }
 
 }  // namespace content