Revert of memory-infra: Finish moving memory_infra from TracingController

content/browser/tracing/tracing_controller_impl.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_TRACING_TRACING_CONTROLLER_IMPL_H_
 #define CONTENT_BROWSER_TRACING_TRACING_CONTROLLER_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 29 matching lines @@
   virtual void ReceiveTraceFinalContents(
       std::unique_ptr<const base::DictionaryValue> metadata) {}
 
  protected:
   friend class base::RefCountedThreadSafe<TraceDataEndpoint>;
   virtual ~TraceDataEndpoint() {}
 };
 
 class TracingControllerImpl
     : public TracingController,
+      public base::trace_event::MemoryDumpManagerDelegate,
       public base::trace_event::TracingAgent {
  public:
   // Create an endpoint that may be supplied to any TraceDataSink to
   // dump the trace data to a callback.
   CONTENT_EXPORT static scoped_refptr<TraceDataEndpoint> CreateCallbackEndpoint(
       const base::Callback<void(std::unique_ptr<const base::DictionaryValue>,
                                 base::RefCountedString*)>& callback);
 
   CONTENT_EXPORT static scoped_refptr<TraceDataSink> CreateCompressedStringSink(
       scoped_refptr<TraceDataEndpoint> endpoint);
@@ skipping 20 matching lines @@
   std::string GetTracingAgentName() override;
   std::string GetTraceEventLabel() override;
   void StartAgentTracing(const base::trace_event::TraceConfig& trace_config,
                          const StartAgentTracingCallback& callback) override;
   void StopAgentTracing(const StopAgentTracingCallback& callback) override;
   bool SupportsExplicitClockSync() override;
   void RecordClockSyncMarker(
       const std::string& sync_id,
       const RecordClockSyncMarkerCallback& callback) override;
 
+  // base::trace_event::MemoryDumpManagerDelegate implementation.
+  void RequestGlobalMemoryDump(
+      const base::trace_event::MemoryDumpRequestArgs& args,
+      const base::trace_event::MemoryDumpCallback& callback) override;
+  uint64_t GetTracingProcessId() const override;
+
   class TraceMessageFilterObserver {
    public:
     virtual void OnTraceMessageFilterAdded(TraceMessageFilter* filter) = 0;
     virtual void OnTraceMessageFilterRemoved(TraceMessageFilter* filter) = 0;
   };
   void AddTraceMessageFilterObserver(TraceMessageFilterObserver* observer);
   void RemoveTraceMessageFilterObserver(TraceMessageFilterObserver* observer);
 
  private:
   friend struct base::DefaultLazyInstanceTraits<TracingControllerImpl>;
   friend class TraceMessageFilter;
 
+  // The arguments and callback for an queued global memory dump request.
+  struct QueuedMemoryDumpRequest {
+    QueuedMemoryDumpRequest(
+        const base::trace_event::MemoryDumpRequestArgs& args,
+        const base::trace_event::MemoryDumpCallback& callback);
+    ~QueuedMemoryDumpRequest();
+    const base::trace_event::MemoryDumpRequestArgs args;
+    const base::trace_event::MemoryDumpCallback callback;
+  };
+
   TracingControllerImpl();
   ~TracingControllerImpl() override;
 
   bool can_start_tracing() const {
     return !is_tracing_;
   }
 
   bool can_stop_tracing() const {
     return is_tracing_ && !trace_data_sink_.get();
   }
 
   bool can_start_monitoring() const {
     return !is_monitoring_;
   }
 
   bool can_stop_monitoring() const {
     return is_monitoring_ && !monitoring_data_sink_.get();
   }
 
   bool can_get_trace_buffer_usage() const {
     return pending_trace_buffer_usage_callback_.is_null();
   }
 
+  void PerformNextQueuedGlobalMemoryDump();
+
   // Methods for use by TraceMessageFilter.
   void AddTraceMessageFilter(TraceMessageFilter* trace_message_filter);
   void RemoveTraceMessageFilter(TraceMessageFilter* trace_message_filter);
 
   void OnTraceDataCollected(
       const scoped_refptr<base::RefCountedString>& events_str_ptr);
 
   // Callback of TraceLog::Flush() for the local trace.
   void OnLocalTraceDataCollected(
       const scoped_refptr<base::RefCountedString>& events_str_ptr,
       bool has_more_events);
 
   // Adds the tracing agent with the specified agent name to the list of
   // additional tracing agents.
   void AddTracingAgent(const std::string& agent_name);
 
   void OnStartAgentTracingAcked(const std::string& agent_name, bool success);
 
   void OnStopTracingAcked(
       TraceMessageFilter* trace_message_filter,
       const std::vector<std::string>& known_category_groups);
 
   void OnEndAgentTracingAcked(
       const std::string& agent_name,
       const std::string& events_label,
       const scoped_refptr<base::RefCountedString>& events_str_ptr);
 
   void OnTraceLogStatusReply(TraceMessageFilter* trace_message_filter,
                              const base::trace_event::TraceLogStatus& status);
+  void OnProcessMemoryDumpResponse(TraceMessageFilter* trace_message_filter,
+                                   uint64_t dump_guid,
+                                   bool success);
+
+  // Callback of MemoryDumpManager::CreateProcessDump().
+  void OnBrowserProcessMemoryDumpDone(uint64_t dump_guid, bool success);
+
+  void FinalizeGlobalMemoryDumpIfAllProcessesReplied();
 
   void SetEnabledOnFileThread(
       const base::trace_event::TraceConfig& trace_config,
       int mode,
       const base::Closure& callback);
   void SetDisabledOnFileThread(const base::Closure& callback);
   void OnAllTracingAgentsStarted();
   void StopTracingAfterClockSync();
   void OnStopTracingDone();
 
@@ skipping 20 matching lines @@
   // Pending acks for StopTracing.
   int pending_stop_tracing_ack_count_;
   TraceMessageFilterSet pending_stop_tracing_filters_;
 
   // Pending acks for GetTraceLogStatus.
   int pending_trace_log_status_ack_count_;
   TraceMessageFilterSet pending_trace_log_status_filters_;
   float maximum_trace_buffer_usage_;
   size_t approximate_event_count_;
 
+  // Pending acks for memory RequestGlobalDumpPoint.
+  int pending_memory_dump_ack_count_;
+  int failed_memory_dump_count_;
+  TraceMessageFilterSet pending_memory_dump_filters_;
+  std::list<QueuedMemoryDumpRequest> queued_memory_dump_requests_;
+
   std::vector<base::trace_event::TracingAgent*> additional_tracing_agents_;
   int pending_clock_sync_ack_count_;
   base::OneShotTimer clock_sync_timer_;
 
   bool is_tracing_;
   bool is_monitoring_;
 
   GetCategoriesDoneCallback pending_get_categories_done_callback_;
   GetTraceBufferUsageCallback pending_trace_buffer_usage_callback_;
 
   base::ObserverList<TraceMessageFilterObserver>
       trace_message_filter_observers_;
 
   std::set<std::string> known_category_groups_;
   std::set<TracingUI*> tracing_uis_;
   scoped_refptr<TraceDataSink> trace_data_sink_;
   scoped_refptr<TraceDataSink> monitoring_data_sink_;
   std::unique_ptr<base::DictionaryValue> metadata_;
 
   DISALLOW_COPY_AND_ASSIGN(TracingControllerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_TRACING_TRACING_CONTROLLER_IMPL_H_