Move WebMIMERegistry impl from //content to blink:platform/network/mime

content/child/simple_webmimeregistry_impl_unittest.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.
-
-// Tests for SimpleWebMimeRegistryImpl.
-
-#include "content/child/simple_webmimeregistry_impl.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/WebKit/public/platform/WebString.h"
-
-TEST(SimpleWebMimeRegistryImpl, mimeTypeTest)
-{
-  content::SimpleWebMimeRegistryImpl registry;
-
-  EXPECT_TRUE(registry.supportsImagePrefixedMIMEType("image/gif"));
-  EXPECT_TRUE(registry.supportsImagePrefixedMIMEType("image/svg+xml"));
-  EXPECT_FALSE(registry.supportsImageMIMEType("image/svg+xml"));
-  EXPECT_TRUE(registry.supportsImageMIMEType("image/gif"));
-}
-
-TEST(SimpleWebMimeRegistryImpl, PluginMimeTypes) {
-  content::SimpleWebMimeRegistryImpl registry;
-
-  // Since we've removed MIME type guessing based on plugin-declared file
-  // extensions, ensure that the SimpleWebMimeRegistry already contains
-  // the extensions used by common PPAPI plugins.
-  EXPECT_EQ("application/pdf",
-            registry.wellKnownMimeTypeForExtension("pdf").utf8());
-  EXPECT_EQ("application/x-shockwave-flash",
-            registry.wellKnownMimeTypeForExtension("swf").utf8());
-}