Remove BLINK_ASSERT() and BLINK_ASSERT_NOT_REACHED() macros.

third_party/WebKit/Source/web/tests/FrameLoaderClientImplTest.cpp

 /*
  * Copyright (C) 2011, 2012 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 31 matching lines @@
 #include "wtf/text/CString.h"
 #include "wtf/text/WTFString.h"
 
 using testing::_;
 using testing::Mock;
 using testing::Return;
 
 namespace blink {
 namespace {
 
-class MockWebFrameClient : public WebFrameClient {
+class MockWebFrameClient : public FrameTestHelpers::TestWebFrameClient {
 public:
     ~MockWebFrameClient() override { }
 
     MOCK_METHOD0(userAgentOverride, WebString());
 };
 
 class FrameLoaderClientImplTest : public ::testing::Test {
 protected:
     void SetUp() override
     {
@@ skipping 42 matching lines @@
     EXPECT_TRUE(overrideUserAgent.equals(userAgent()));
     Mock::VerifyAndClearExpectations(&webFrameClient());
 
     // Remove the override and make sure we get the original back.
     EXPECT_CALL(webFrameClient(), userAgentOverride()).WillOnce(Return(WebString()));
     EXPECT_TRUE(defaultUserAgent.equals(userAgent()));
 }
 
 } // namespace
 } // namespace blink