Adds new webview.loadDataWithBaseUrl API to allow data URLs to be loaded with a specified base URL …

extensions/browser/guest_view/web_view/web_view_constants.cc

Index: extensions/browser/guest_view/web_view/web_view_constants.cc
diff --git a/extensions/browser/guest_view/web_view/web_view_constants.cc b/extensions/browser/guest_view/web_view/web_view_constants.cc
index 83e428f4b00561de1dd95ac8ec791862e0f6067a..9454292e106a571aec9846974222677d32b81a60 100644
--- a/extensions/browser/guest_view/web_view/web_view_constants.cc
+++ b/extensions/browser/guest_view/web_view/web_view_constants.cc
@@ -19,6 +19,11 @@ const char kAttributeSrc[] = "src";
 // API namespace.
 const char kAPINamespace[] = "webViewInternal";
 
+// API error messages.
+const char kAPILoadDataInvalidDataURL[] = "Invalid data URL \"%s\".";
+const char kAPILoadDataInvalidBaseURL[] = "Invalid base URL \"%s\".";
+const char kAPILoadDataInvalidVirtualURL[] = "Invalid virtual URL \"%s\".";
+
 // Events.
 const char kEventClose[] = "webViewInternal.onClose";
 const char kEventConsoleMessage[] = "webViewInternal.onConsoleMessage";