Revert "Update mojo sdk to rev 8d45c89c30b230843c5bd6dd0693a555750946c0"

third_party/mojo_services/src/gpu/public/interfaces/command_buffer.mojom

Index: third_party/mojo_services/src/gpu/public/interfaces/command_buffer.mojom
diff --git a/third_party/mojo_services/src/gpu/public/interfaces/command_buffer.mojom b/third_party/mojo_services/src/gpu/public/interfaces/command_buffer.mojom
index aa2c5567eb9da0caba34f3420ade2384b2150033..a31b3dde3ecf5ffb79cd7c815a67725ff80d61e8 100644
--- a/third_party/mojo_services/src/gpu/public/interfaces/command_buffer.mojom
+++ b/third_party/mojo_services/src/gpu/public/interfaces/command_buffer.mojom
@@ -25,19 +25,10 @@ interface CommandBufferSyncPointClient {
   DidInsertSyncPoint(uint32 sync_point);
 };
 
-interface CommandBufferLostContextObserver {
-  DidLoseContext(int32 context_lost_reason);
-};
-
+[Client=CommandBufferClient]
 interface CommandBuffer {
-  // Initialize attempts to initialize the command buffer. Success or failure
-  // will be communicated via the CommandBufferSyncClient DidInitialize() call.
-  // If the context is lost after creation the LostContext method on the
-  // CommandBufferLostContextObserver's will be called then this pipe will be
-  // closed.
   Initialize(CommandBufferSyncClient sync_client,
              CommandBufferSyncPointClient sync_point_client,
-             CommandBufferLostContextObserver lost_observer,
              handle<shared_buffer> shared_state);
   SetGetBuffer(int32 buffer);
   Flush(int32 put_offset);
@@ -52,4 +43,11 @@ interface CommandBuffer {
   InsertSyncPoint(bool retire);
   RetireSyncPoint(uint32 sync_point);
   Echo() => ();
+
+  // TODO(piman): sync points
+};
+
+interface CommandBufferClient {
+  DidDestroy();
+  LostContext(int32 lost_reason);  // TODO(piman): enum
 };