Allow huge data: URIs only via WebView.loadDataWithBaseUrl

content/browser/frame_host/navigator_impl.cc

 // Copyright 2013 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/browser/frame_host/navigator_impl.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/frame_tree.h"
@@ skipping 18 matching lines @@
 #include "content/public/browser/global_request_id.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/stream_handle.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/common/content_client.h"
+#include "content/public/common/content_constants.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/resource_response.h"
 #include "content/public/common/url_constants.h"
-#include "content/public/common/url_utils.h"
 #include "net/base/net_errors.h"
 
 namespace content {
 
 namespace {
 
 FrameMsg_Navigate_Type::Value GetNavigationType(
     BrowserContext* browser_context, const NavigationEntryImpl& entry,
     NavigationController::ReloadType reload_type) {
   switch (reload_type) {
@@ skipping 221 matching lines @@
 
   // Don't attempt to navigate to non-empty invalid URLs.
   if (!dest_url.is_valid() && !dest_url.is_empty()) {
     LOG(WARNING) << "Refusing to load invalid URL: "
                  << dest_url.possibly_invalid_spec();
     return false;
   }
 
   // The renderer will reject IPC messages with URLs longer than
   // this limit, so don't attempt to navigate with a longer URL.
-  if (dest_url.spec().size() > GetMaxURLChars()) {
-    LOG(WARNING) << "Refusing to load URL as it exceeds " << GetMaxURLChars()
+  if (dest_url.spec().size() > kMaxURLChars) {
+    LOG(WARNING) << "Refusing to load URL as it exceeds " << kMaxURLChars
                  << " characters.";
     return false;
   }
 
   // This will be used to set the Navigation Timing API navigationStart
   // parameter for browser navigations in new tabs (intents, tabs opened through
   // "Open link in new tab"). We need to keep it above RFHM::Navigate() call to
   // capture the time needed for the RenderFrameHost initialization.
   base::TimeTicks navigation_start = base::TimeTicks::Now();
 
@@ skipping 688 matching lines @@
       entry->set_should_replace_entry(pending_entry->should_replace_entry());
       entry->SetRedirectChain(pending_entry->GetRedirectChain());
     }
     controller_->SetPendingEntry(entry.Pass());
     if (delegate_)
       delegate_->NotifyChangedNavigationState(content::INVALIDATE_TYPE_URL);
   }
 }
 
 }  // namespace content