Add unittest for OpenTypeSanitizer

Source/platform/TestingPlatformSupport.h

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef TestingPlatformSupport_h
 #define TestingPlatformSupport_h
 
 #include "public/platform/Platform.h"
+#include "public/platform/WebData.h"
 #include "public/platform/WebDiscardableMemory.h"
+#include "public/platform/WebString.h"
+#include "public/platform/WebUnitTestSupport.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
 class TestingDiscardableMemory : public blink::WebDiscardableMemory {
 public:
     explicit TestingDiscardableMemory(size_t);
     virtual ~TestingDiscardableMemory();
 
     // blink::WebDiscardableMemory:
     virtual bool lock() OVERRIDE;
     virtual void* data() OVERRIDE;
     virtual void unlock() OVERRIDE;
 
 private:
     Vector<char> m_data;
     bool m_isLocked;
 };
 
-class TestingPlatformSupport : public blink::Platform {
+class TestingPlatformSupport : public blink::Platform, public blink::WebUnitTestSupport {
 public:
     struct Config {
         Config() : hasDiscardableMemorySupport(false) { }
 
         bool hasDiscardableMemorySupport;
     };
 
     explicit TestingPlatformSupport(const Config&);
 
     virtual ~TestingPlatformSupport();
 
     // blink::Platform:
     virtual blink::WebDiscardableMemory* allocateAndLockDiscardableMemory(size_t bytes) OVERRIDE;
     virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t length) OVERRIDE;
     virtual const unsigned char* getTraceCategoryEnabledFlag(const char* categoryName) OVERRIDE;
+    virtual WebUnitTestSupport* unitTestSupport() OVERRIDE;
+
+    // blink::WebUnitTestSupport:
+    virtual blink::WebString webKitRootDir() OVERRIDE;
+    virtual blink::WebData readFromFile(const blink::WebString& path) OVERRIDE;
 
 private:
     const Config m_config;
     blink::Platform* const m_oldPlatform;
 };
 
 } // namespace WebCore
 
 #endif // TestingPlatformSupport_h