libFuzzer for blink::MHTMLParser

third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h

Index: third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h
diff --git a/third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h b/third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h
index bc5b15b42161526deab638629d44185f93e9e156..b4f6910c5da27c48848dffd6fe5458124e57c994 100644
--- a/third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h
+++ b/third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h
@@ -39,6 +39,14 @@
 #include "wtf/Vector.h"
 #include <memory>
 
+namespace base {
+class TestDiscardableMemoryAllocator;
+} // namespace base
+
+namespace cc_blink {
+class WebCompositorSupportImpl;
+} // namespace cc_blink
+
 namespace blink {
 
 class TestingPlatformMockWebTaskRunner;
@@ -116,6 +124,21 @@ protected:
     std::unique_ptr<TestingPlatformMockWebThread> m_mockWebThread;
 };
 
+class ScopedUnittestsEnvironmentSetup {
+    WTF_MAKE_NONCOPYABLE(ScopedUnittestsEnvironmentSetup);
+public:
+    ScopedUnittestsEnvironmentSetup(int argc, char** argv);
+    ~ScopedUnittestsEnvironmentSetup();
+
+private:
+    class DummyPlatform;
+    std::unique_ptr<base::TestDiscardableMemoryAllocator> m_discardableMemoryAllocator;
+    std::unique_ptr<DummyPlatform> m_platform;
+    std::unique_ptr<cc_blink::WebCompositorSupportImpl> m_compositorSupport;
+    TestingPlatformSupport::Config m_testingPlatformConfig;
+    std::unique_ptr<TestingPlatformSupport> m_testingPlatformSupport;
+};
+
 } // namespace blink
 
 #endif // TestingPlatformSupport_h