Added a method to detect all supported "image/*" MIME types

content/child/simple_webmimeregistry_impl_unittest.cc

Index: content/child/simple_webmimeregistry_impl_unittest.cc
diff --git a/content/child/simple_webmimeregistry_impl_unittest.cc b/content/child/simple_webmimeregistry_impl_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..40d3bd5f06c18252a2959a24b73c55bea9e5fd3d
--- /dev/null
+++ b/content/child/simple_webmimeregistry_impl_unittest.cc
@@ -0,0 +1,21 @@
+// 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"));
+}
+