Remove BLINK_ASSERT() and BLINK_ASSERT_NOT_REACHED() macros.

content/test/mock_webblob_registry_impl.cc

 // 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.
 
 #include "content/test/mock_webblob_registry_impl.h"
 
 #include "third_party/WebKit/public/platform/WebBlobData.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 
 using blink::WebBlobData;
 using blink::WebString;
 using blink::WebURL;
 
 namespace content {
 
 MockWebBlobRegistryImpl::MockWebBlobRegistryImpl() {
 }
 
 MockWebBlobRegistryImpl::~MockWebBlobRegistryImpl() {
 }
 
 void MockWebBlobRegistryImpl::registerBlobData(const WebString& uuid,
                                                const WebBlobData& data) {
 }
 
+MockWebBlobRegistryImpl::Builder* MockWebBlobRegistryImpl::createBuilder(
+    const blink::WebString& uuid,
+    const blink::WebString& contentType) {
+  NOTREACHED();
+  return nullptr;
+}
+
 void MockWebBlobRegistryImpl::addBlobDataRef(const WebString& uuid) {
 }
 
 void MockWebBlobRegistryImpl::removeBlobDataRef(const WebString& uuid) {
 }
 
 void MockWebBlobRegistryImpl::registerPublicBlobURL(const WebURL& url,
                                                     const WebString& uuid) {
 }
 
@@ skipping 19 matching lines @@
 void MockWebBlobRegistryImpl::finalizeStream(const WebURL& url) {
 }
 
 void MockWebBlobRegistryImpl::abortStream(const WebURL& url) {
 }
 
 void MockWebBlobRegistryImpl::unregisterStreamURL(const WebURL& url) {
 }
 
 }  // namespace content