Set breakpoint at url, line number

runtime/include/dart_debugger_api.h

Index: runtime/include/dart_debugger_api.h
===================================================================
--- runtime/include/dart_debugger_api.h	(revision 3419)
+++ runtime/include/dart_debugger_api.h	(working copy)
@@ -17,7 +17,25 @@
                  Dart_Breakpoint breakpoint,
                  Dart_StackTrace stack_trace);
 
+
 /**
+ * Sets a breakpoint at line \line_number in \script_url, or the closest
+ * following line (within the same function) where a breakpoint can be set.
+ *
+ * Requires there to be a current isolate.
+ *
+ * \breakpoint If non-null, will point to the breakpoint object
+ *   if a breakpoint was successfully created.
+ *
+ * \return A handle to the True object if no error occurs.
+ */
+DART_EXPORT Dart_Handle Dart_SetBreakpointAtLine(
+                            Dart_Handle script_url,
+                            Dart_Handle line_number,
+                            Dart_Breakpoint* breakpoint);
+
+
+/**
  * Sets a breakpoint at the entry of the given function. If class_name
  * is the empty string, looks for a library function with the given
  * name.
@@ -35,6 +53,7 @@
                             Dart_Handle function_name,
                             Dart_Breakpoint* breakpoint);
 
+
 /**
  * Installs a handler callback function that gets called by the VM
  * when a breakpoint has been reached.