Allow huge data: URIs only via WebView.loadDataWithBaseUrl

content/public/browser/navigation_entry.h

Index: content/public/browser/navigation_entry.h
diff --git a/content/public/browser/navigation_entry.h b/content/public/browser/navigation_entry.h
index 850fdb4b57264d90d120b5ffed20fdfaffdf5357..e19388ae6fe575e76a69a78ee542900257d15ad2 100644
--- a/content/public/browser/navigation_entry.h
+++ b/content/public/browser/navigation_entry.h
@@ -55,6 +55,15 @@ class NavigationEntry {
   virtual void SetBaseURLForDataURL(const GURL& url) = 0;
   virtual const GURL& GetBaseURLForDataURL() const = 0;
 
+#if defined(OS_ANDROID)
+  // The real data: URL when it is received via WebView.loadDataWithBaseUrl
+  // method. Represented as a string to circumvent the size restriction
+  // of GURLs for compatibility with legacy Android WebView apps.
+  virtual void SetDataURLAsString(scoped_refptr<base::RefCountedString>) = 0;

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

nit: Please name parameter data_url.

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

Done.

+  virtual const scoped_refptr<const base::RefCountedString> GetDataURLAsString()
+      const = 0;
+#endif
+
   // The referring URL. Can be empty.
   virtual void SetReferrer(const content::Referrer& referrer) = 0;
   virtual const content::Referrer& GetReferrer() const = 0;