Add decoder de-initialize and reset to the Pepper CDM API.

ppapi/proxy/ppb_instance_proxy.cc

Index: ppapi/proxy/ppb_instance_proxy.cc
diff --git a/ppapi/proxy/ppb_instance_proxy.cc b/ppapi/proxy/ppb_instance_proxy.cc
index 5f0c163306a624c15b495279a352d5f0dbb66d92..e050f75f39ad8bb9a789ddcc6568b064717036d0 100644
--- a/ppapi/proxy/ppb_instance_proxy.cc
+++ b/ppapi/proxy/ppb_instance_proxy.cc
@@ -165,6 +165,10 @@ bool PPB_Instance_Proxy::OnMessageReceived(const IPC::Message& msg) {
                         OnHostMsgKeyError)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstance_DeliverBlock,
                         OnHostMsgDeliverBlock)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstance_DecoderReset,
+                        OnHostMsgDecoderReset)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstance_DecoderStopped,
+                        OnHostMsgDecoderStopped)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstance_DeliverFrame,
                         OnHostMsgDeliverFrame)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstance_DeliverSamples,
@@ -508,6 +512,24 @@ void PPB_Instance_Proxy::DeliverBlock(PP_Instance instance,
           serialized_block_info));
 }
 
+void PPB_Instance_Proxy::DecoderReset(PP_Instance instance,
+                                      uint32_t request_id) {
+  dispatcher()->Send(
+      new PpapiHostMsg_PPBInstance_DecoderReset(
+          API_ID_PPB_INSTANCE,
+          instance,
+          request_id));
+}
+
+void PPB_Instance_Proxy::DecoderStopped(PP_Instance instance,
+                                        uint32_t request_id) {
+  dispatcher()->Send(
+      new PpapiHostMsg_PPBInstance_DecoderStopped(
+          API_ID_PPB_INSTANCE,
+          instance,
+          request_id));
+}
+
 void PPB_Instance_Proxy::DeliverFrame(PP_Instance instance,
                                       PP_Resource decrypted_frame,
                                       const PP_DecryptedFrameInfo* frame_info) {
@@ -928,6 +950,20 @@ void PPB_Instance_Proxy::OnHostMsgDeliverBlock(
     enter.functions()->DeliverBlock(instance, decrypted_block, &block_info);
 }
 
+void PPB_Instance_Proxy::OnHostMsgDecoderReset(PP_Instance instance,
+                                               uint32_t request_id) {
+  EnterInstanceNoLock enter(instance);
+  if (enter.succeeded())
+    enter.functions()->DecoderReset(instance, request_id);
+}
+
+void PPB_Instance_Proxy::OnHostMsgDecoderStopped(PP_Instance instance,
+                                                 uint32_t request_id) {
+  EnterInstanceNoLock enter(instance);
+  if (enter.succeeded())
+    enter.functions()->DecoderStopped(instance, request_id);
+}
+
 void PPB_Instance_Proxy::OnHostMsgDeliverFrame(
     PP_Instance instance,
     PP_Resource decrypted_frame,