Add assertions that the empty Platform::cryptographicallyRandomValues() overrides are not being use…

third_party/WebKit/Source/core/dom/ScriptRunnerTest.cpp

 // Copyright 2015 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.
 
 #include "config.h"
 #include "core/dom/ScriptRunner.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/dom/ScriptLoader.h"
@@ skipping 84 matching lines @@
 };
 
 class MockPlatform : public Platform, private WebScheduler {
 public:
     MockPlatform()
         : m_mockWebThread(this)
         , m_mockWebTaskRunner(&m_tasks)
     {
     }
 
-    void cryptographicallyRandomValues(unsigned char* buffer, size_t length) override { }
+    void cryptographicallyRandomValues(unsigned char* buffer, size_t length) override
+    {
+        RELEASE_ASSERT_NOT_REACHED();
+    }
 
     const unsigned char* getTraceCategoryEnabledFlag(const char* categoryName) override
     {
         static const unsigned char tracingIsDisabled = 0;
         return &tracingIsDisabled;
     }
 
     WebThread* currentThread() override { return &m_mockWebThread; }
 
     WebTaskRunner* loadingTaskRunner() override
@@ skipping 433 matching lines @@
 #endif
 
     // m_scriptRunner is gone. We need to make sure that ScriptRunner::Task do not access dead object.
     EXPECT_CALL(*scriptLoader1, execute()).Times(0);
     EXPECT_CALL(*scriptLoader2, execute()).Times(0);
 
     m_platform.runAllTasks();
 }
 
 } // namespace blink