Add TestingInstance::EvalScript method which posts a message that the test page can eval().

ppapi/tests/testing_instance.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PPAPI_TESTS_TESTING_INSTANCE_H_
 #define PPAPI_TESTS_TESTING_INSTANCE_H_
 
 #include <string>
 
 #include "ppapi/cpp/completion_callback.h"
@@ skipping 65 matching lines @@
   void AppendError(const std::string& message);
 
   // Passes the message_data through to the HandleMessage method on the
   // TestClass object that's associated with this instance.
   virtual void HandleMessage(const pp::Var& message_data);
 
   const std::string& protocol() {
     return protocol_;
   }
 
+  // Posts a message to the test page to eval() the script.
+  void EvalScript(const std::string& script);
+
  private:
   void ExecuteTests(int32_t unused);
 
   // Creates a new TestCase for the give test name, or NULL if there is no such
   // test. Ownership is passed to the caller. The given string is split by '_'.
   // The test case name is the first part.
   TestCase* CaseForTestName(const std::string& name);
   // Returns the filter (second part) of the given string. If there is no '_',
   // returns the empty string, which means 'run all tests for this test case'.
   // E.g.:
@@ skipping 39 matching lines @@
 
   // True if running in Native Client.
   bool nacl_mode_;
 
   // String representing the protocol.  Used for detecting whether we're running
   // with http.
   std::string protocol_;
 };
 
 #endif  // PPAPI_TESTS_TESTING_INSTANCE_H_