[inspector] added Debugger.getPossibleBreakpoints method

src/inspector/v8-debugger-script.h

Index: src/inspector/v8-debugger-script.h
diff --git a/src/inspector/v8-debugger-script.h b/src/inspector/v8-debugger-script.h
index 6113e792ad14396b42a71ac3462687c40a44fd40..104241cf62d7b7417fdd6946a20d6392c5329902 100644
--- a/src/inspector/v8-debugger-script.h
+++ b/src/inspector/v8-debugger-script.h
@@ -64,7 +64,10 @@ class V8DebuggerScript {
 
   void setSourceURL(const String16&);
   void setSourceMappingURL(const String16&);
-  void setSource(v8::Isolate*, v8::Local<v8::String>);
+  void setSource(v8::Local<v8::String>);
+
+  bool getPossibleBreakpoints(int startLine, int startColumn, int endLine,
+                              int endColumn, std::vector<int>& positions);
 
  private:
   String16 m_id;
@@ -81,6 +84,9 @@ class V8DebuggerScript {
   String16 m_executionContextAuxData;
   bool m_isLiveEdit;
 
+  v8::Isolate* m_isolate;
+  v8::Global<v8::DebugInterface::Script> m_script;
+
   DISALLOW_COPY_AND_ASSIGN(V8DebuggerScript);
 };