Simplify the user agent code some more since after r255534 it's not affected by the site's URL.

content/test/test_webkit_platform_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_webkit_platform_support.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 108 matching lines @@
   NOTREACHED() <<
       "IndexedDB cannot be tested with in-process harnesses.";
   return NULL;
 }
 
 blink::WebURLLoader* TestWebKitPlatformSupport::createURLLoader() {
   return url_loader_factory_->CreateURLLoader(
       BlinkPlatformImpl::createURLLoader());
 }
 
+blink::WebString TestWebKitPlatformSupport::userAgent() {
+  return blink::WebString::fromUTF8("DumpRenderTree/0.0.0.0");
+}
+
+blink::WebString TestWebKitPlatformSupport::userAgent(
+    const blink::WebURL& url) {
+  return userAgent();
+}
+
 blink::WebData TestWebKitPlatformSupport::loadResource(const char* name) {
   if (!strcmp(name, "deleteButton")) {
     // Create a red 30x30 square.
     const char red_square[] =
         "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52"
         "\x00\x00\x00\x1e\x00\x00\x00\x1e\x04\x03\x00\x00\x00\xc9\x1e\xb3"
         "\x91\x00\x00\x00\x30\x50\x4c\x54\x45\x00\x00\x00\x80\x00\x00\x00"
         "\x80\x00\x80\x80\x00\x00\x00\x80\x80\x00\x80\x00\x80\x80\x80\x80"
         "\x80\xc0\xc0\xc0\xff\x00\x00\x00\xff\x00\xff\xff\x00\x00\x00\xff"
         "\xff\x00\xff\x00\xff\xff\xff\xff\xff\x7b\x1f\xb1\xc4\x00\x00\x00"
@@ skipping 167 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