Implement Chromium side of MediaKeys.isTypeSupported().

content/renderer/media/crypto/key_systems_unittest.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 <string>
 #include <vector>
 
 #include "content/public/common/content_client.h"
+#include "content/public/common/eme_constants.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/public/renderer/key_system_info.h"
 #include "content/renderer/media/crypto/key_systems.h"
 #include "content/test/test_content_client.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
 #include "widevine_cdm_version.h"  // In SHARED_INTERMEDIATE_DIR.
 
 // Death tests are not always available, including on Android.
@@ skipping 74 matching lines @@
 class TestContentRendererClient : public ContentRendererClient {
   virtual void AddKeySystems(
       std::vector<content::KeySystemInfo>* key_systems) OVERRIDE;
 };
 
 void TestContentRendererClient::AddKeySystems(
     std::vector<content::KeySystemInfo>* key_systems) {
   KeySystemInfo aes(kUsesAes);
   aes.supported_codecs = EME_CODEC_WEBM_ALL;
   aes.supported_codecs |= TEST_CODEC_FOO_ALL;
+  aes.supported_init_data_types = EME_INIT_DATA_TYPE_WEBM;
   aes.use_aes_decryptor = true;
   key_systems->push_back(aes);
 
   KeySystemInfo ext(kExternal);
   ext.supported_codecs = EME_CODEC_WEBM_ALL;
   ext.supported_codecs |= TEST_CODEC_FOO_ALL;
+  ext.supported_init_data_types = EME_INIT_DATA_TYPE_WEBM;
   ext.parent_key_system = kExternalParent;
 #if defined(ENABLE_PEPPER_CDMS)
   ext.pepper_type = "application/x-ppapi-external-cdm";
 #endif  // defined(ENABLE_PEPPER_CDMS)
   key_systems->push_back(ext);
 }
 
+// TODO(sandersd): Refactor. http://crbug.com/417444
 class KeySystemsTest : public testing::Test {
  protected:
   KeySystemsTest() {
     vp8_codec_.push_back("vp8");
 
     vp80_codec_.push_back("vp8.0");
 
     vp9_codec_.push_back("vp9");
 
     vp90_codec_.push_back("vp9.0");
@@ skipping 511 matching lines @@
 
 #if defined(WIDEVINE_CDM_AVAILABLE)
   const char* const kTestWidevineUmaName = "Widevine";
 #else
   const char* const kTestWidevineUmaName = "Unknown";
 #endif
   EXPECT_EQ(kTestWidevineUmaName, KeySystemNameForUMA("com.widevine.alpha"));
 }
 
 }  // namespace content