Allow huge data: URIs only via WebView.loadDataWithBaseUrl

content/public/browser/navigation_controller.h

Index: content/public/browser/navigation_controller.h
diff --git a/content/public/browser/navigation_controller.h b/content/public/browser/navigation_controller.h
index ac52ae13188730ea99ccac05ab66dac907d788c5..cd4b2d86d7d04a0e02df2988d5d0a1df07ed2415 100644
--- a/content/public/browser/navigation_controller.h
+++ b/content/public/browser/navigation_controller.h
@@ -22,6 +22,7 @@
 namespace base {
 
 class RefCountedMemory;
+class RefCountedString;
 
 }  // namespace base
 
@@ -161,6 +162,14 @@ class NavigationController {
     // data loads.
     GURL virtual_url_for_data_url;
 
+#if defined(OS_ANDROID)
+    // Used in LOAD_TYPE_DATA loads only. The real data URI is represented
+    // as a string to circumvent the restriction on GURL size. This is only
+    // needed to pass URLs that exceed the IPC limit (kMaxURLChars). Short
+    // data: URLs can be passed in the |url| field.
+    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.