Remove BLINK_ASSERT() and BLINK_ASSERT_NOT_REACHED() macros.

content/test/mock_webblob_registry_impl.h

 // Copyright 2014 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 CONTENT_TEST_MOCK_WEBBLOB_REGISTRY_IMPL_H_
 #define CONTENT_TEST_MOCK_WEBBLOB_REGISTRY_IMPL_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "third_party/WebKit/public/platform/WebBlobRegistry.h"
 
 namespace content {
 
 class MockWebBlobRegistryImpl : public blink::WebBlobRegistry {
  public:
   MockWebBlobRegistryImpl();
   ~MockWebBlobRegistryImpl() override;
 
   void registerBlobData(const blink::WebString& uuid,
                         const blink::WebBlobData& data) override;
+  Builder* createBuilder(const blink::WebString& uuid,
+                         const blink::WebString& contentType) override;
   void addBlobDataRef(const blink::WebString& uuid) override;
   void removeBlobDataRef(const blink::WebString& uuid) override;
   void registerPublicBlobURL(const blink::WebURL&,
                              const blink::WebString& uuid) override;
   void revokePublicBlobURL(const blink::WebURL&) override;
 
   // Additional support for Streams.
   void registerStreamURL(const blink::WebURL& url,
                          const blink::WebString& content_type) override;
   void registerStreamURL(const blink::WebURL& url,
                          const blink::WebURL& src_url) override;
   void addDataToStream(const blink::WebURL& url,
                        const char* data,
                        size_t length) override;
   void flushStream(const blink::WebURL& url) override;
   void finalizeStream(const blink::WebURL& url) override;
   void abortStream(const blink::WebURL& url) override;
   void unregisterStreamURL(const blink::WebURL& url) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockWebBlobRegistryImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_MOCK_WEBBLOB_REGISTRY_IMPL_H_