Revert "Add current rss and embedder name to Observatory"

runtime/include/dart_tools_api.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef RUNTIME_INCLUDE_DART_TOOLS_API_H_
 #define RUNTIME_INCLUDE_DART_TOOLS_API_H_
 
 #include "dart_api.h"
 
 /** \mainpage Dart Tools Embedding API Reference
@@ skipping 747 matching lines @@
  * \param user_data The user data passed to the callback.
  *
  * NOTE: If multiple callbacks with the same name are registered, only
  * the last callback registered will be remembered.
  */
 DART_EXPORT void Dart_RegisterRootServiceRequestCallback(
     const char* method,
     Dart_ServiceRequestCallback callback,
     void* user_data);
 
-/**
- * Embedder information which can be requested by the VM for internal or
- * reporting purposes.
- *
- * The pointers in this structure are not going to be cached or freed by the VM.
- */
-
- #define DART_EMBEDDER_INFORMATION_CURRENT_VERSION (0x00000001)
-
-typedef struct {
-  int32_t version;
-  const char* name;  // [optional] The name of the embedder
-  uintptr_t current_rss;  // [optional] the current RSS of the embedder
-  uintptr_t max_rss;  // [optional] the maximum RSS of the embedder
-} Dart_EmbedderInformation;
-
-/**
- * Callback provided by the embedder that is used by the vm to request
- * information.
- *
- * \return Returns a pointer to a Dart_EmbedderInformation structure.
- * The embedder keeps the ownership of the structure and any field in it.
- * The embedder must ensure that the structure will remain valid until the
- * next invokation of the callback.
- */
-typedef void (*Dart_EmbedderInformationCallback)(
-    Dart_EmbedderInformation* info);
-
-/**
- * Register a Dart_ServiceRequestCallback to be called to handle
- * requests for the named rpc. The callback will be invoked without a
- * current isolate.
- *
- * \param method The name of the command that this callback is responsible for.
- * \param callback The callback to invoke.
- * \param user_data The user data passed to the callback.
- *
- * NOTE: If multiple callbacks with the same name are registered, only
- * the last callback registered will be remembered.
- */
-DART_EXPORT void Dart_SetEmbedderInformationCallback(
-    Dart_EmbedderInformationCallback callback);
-
 /*
  * ========
  * Event Streams
  * ========
  */
 
 /**
  * A callback invoked when the VM service gets a request to listen to
  * some stream.
  *
@@ skipping 242 matching lines @@
  * \param start_recording See Dart_EmbedderTimelineStartRecording.
  * \param stop_recording See Dart_EmbedderTimelineStopRecording.
  *
  * NOTE: To avoid races, this should be called before Dart_Initialize.
  */
 DART_EXPORT void Dart_SetEmbedderTimelineCallbacks(
     Dart_EmbedderTimelineStartRecording start_recording,
     Dart_EmbedderTimelineStopRecording stop_recording);
 
 #endif  // RUNTIME_INCLUDE_DART_TOOLS_API_H_