Address compilation warnings for android build.

test/cctest/interpreter/test-source-positions.cc

Index: test/cctest/interpreter/test-source-positions.cc
diff --git a/test/cctest/interpreter/test-source-positions.cc b/test/cctest/interpreter/test-source-positions.cc
index 19be47fa8e141192d67258203045158ead5f4e60..3161f92db95c166d447d8f4e33ae78d98d9cd869 100644
--- a/test/cctest/interpreter/test-source-positions.cc
+++ b/test/cctest/interpreter/test-source-positions.cc
@@ -58,11 +58,9 @@ struct TestCaseData {
         declaration_parameters_(declaration_parameters),
         arguments_(arguments) {}
 
-  const char* const script() const { return script_; }
-  const char* const declaration_parameters() const {
-    return declaration_parameters_;
-  }
-  const char* const arguments() const { return arguments_; }
+  const char* script() const { return script_; }
+  const char* declaration_parameters() const { return declaration_parameters_; }
+  const char* arguments() const { return arguments_; }
 
  private:
   TestCaseData();