Infrastructure for reading V8's initial snapshot from external files

content/test/test_blink_web_unit_test_support.cc

 // Copyright 2013 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/test_blink_web_unit_test_support.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 20 matching lines @@
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 #include "third_party/WebKit/public/web/WebStorageEventDispatcher.h"
 #include "v8/include/v8.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #endif
 
+#ifdef V8_USE_EXTERNAL_STARTUP_DATA
+#include "gin/public/isolate_holder.h"
+#endif
+
 namespace content {
 
 TestBlinkWebUnitTestSupport::TestBlinkWebUnitTestSupport() {
 #if defined(OS_MACOSX)
   base::mac::ScopedNSAutoreleasePool autorelease_pool;
 #endif
 
   url_loader_factory_.reset(new WebURLLoaderMockFactory());
   mock_clipboard_.reset(new MockWebClipboardImpl());
 
   // Create an anonymous stats table since we don't need to share between
   // processes.
   stats_table_.reset(
       new base::StatsTable(base::StatsTable::TableIdentifier(), 20, 200));
   base::StatsTable::set_current(stats_table_.get());
 
+#ifdef V8_USE_EXTERNAL_STARTUP_DATA
+  gin::IsolateHolder::LoadV8Snapshot();
+#endif
+
   blink::initialize(this);
   blink::mainThreadIsolate()->SetCounterFunction(
       base::StatsTable::FindLocation);
   blink::setLayoutTestMode(true);
   blink::WebSecurityPolicy::registerURLSchemeAsLocal(
       blink::WebString::fromUTF8("test-shell-resource"));
   blink::WebSecurityPolicy::registerURLSchemeAsNoAccess(
       blink::WebString::fromUTF8("test-shell-resource"));
   blink::WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(
       blink::WebString::fromUTF8("test-shell-resource"));
@@ skipping 231 matching lines @@
     const blink::WebString& path) {
   base::FilePath file_path = base::FilePath::FromUTF16Unsafe(path);
 
   std::string buffer;
   base::ReadFileToString(file_path, &buffer);
 
   return blink::WebData(buffer.data(), buffer.size());
 }
 
 }  // namespace content