iOS HW H264 support.

talk/app/webrtc/objc/h264decoderfactory.h

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-#include "talk/app/webrtc/dtlsidentityservice.h"
+#ifndef TALK_APP_WEBRTC_OBJC_H264_DECODER_FACTORY_H_
+#define TALK_APP_WEBRTC_OBJC_H264_DECODER_FACTORY_H_
 
-#include "talk/app/webrtc/dtlsidentitystore.h"
-#include "webrtc/base/logging.h"
+#include "talk/media/webrtc/webrtcvideodecoderfactory.h"
+#include "webrtc/base/constructormagic.h"
 
 namespace webrtc {
 
-bool DtlsIdentityService::RequestIdentity(
-    const std::string& identity_name,
-    const std::string& common_name,
-    webrtc::DTLSIdentityRequestObserver* observer) {
-  if (identity_name != DtlsIdentityStore::kIdentityName ||
-      common_name != DtlsIdentityStore::kIdentityName) {
-    LOG(LS_WARNING) << "DtlsIdentityService::RequestIdentity called with "
-                    << "unsupported params, identity_name=" << identity_name
-                    << ", common_name=" << common_name;
-    return false;
-  }
-  store_->RequestIdentity(observer);
-  return true;
-}
+// This class is a quick measure for plugging in H264 support and will
+// eventually go away once we build H264 support into the video engine.

[pbos-webrtc, 2015/06/23 19:13:56]

"into the video engine"? Can you not do this now? If you add
H264Encoder::IsSupported() then WebRtcVideoEngine2 can use a check inside
CodecIsInternallySupported() and you can add support for it through there
instead.

[tkchin_webrtc, 2015/06/24 23:21:13]

Done.

+class H264DecoderFactory : public cricket::WebRtcVideoDecoderFactory {
+ public:
+  H264DecoderFactory() {}
+  ~H264DecoderFactory() override {}
+
+  VideoDecoder* CreateVideoDecoder(VideoCodecType type) override;
+  void DestroyVideoDecoder(VideoDecoder* decoder) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(H264DecoderFactory);
+};
 
 }  // namespace webrtc
+
+#endif  // TALK_APP_WEBRTC_OBJC_H264_DECODER_FACTORY_H_