Move EME code out of WebMediaPlayerImpl.

content/renderer/media/crypto/encrypted_media_support.cc

Index: content/renderer/media/crypto/encrypted_media_support.cc
diff --git a/tools/clang/blink_gc_plugin/tests/cycle_sub.cpp b/content/renderer/media/crypto/encrypted_media_support.cc
similarity index 55%
copy from tools/clang/blink_gc_plugin/tests/cycle_sub.cpp
copy to content/renderer/media/crypto/encrypted_media_support.cc
index dfe835a318a3cdeb6f76604d4c77e29954227199..5a6a6166252e913131b59b6c51e82260667a5e6a 100644
--- a/tools/clang/blink_gc_plugin/tests/cycle_sub.cpp
+++ b/content/renderer/media/crypto/encrypted_media_support.cc
@@ -2,13 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "cycle_sub.h"
+#include "content/renderer/media/crypto/encrypted_media_support.h"
 
-namespace blink {
+namespace content {
 
-void B::trace(Visitor* visitor) {
-    visitor->trace(m_c);
-    A::trace(visitor);
+EncryptedMediaSupport::~EncryptedMediaSupport() {
 }
 
 }