Remove deprecated ExecutionContextTask

third_party/WebKit/Source/core/dom/Document.h

Index: third_party/WebKit/Source/core/dom/Document.h
diff --git a/third_party/WebKit/Source/core/dom/Document.h b/third_party/WebKit/Source/core/dom/Document.h
index 92c145998e359219f57d29780fc5d3af6d0a28d0..b95f82ec8087c29a71e1a2adc4575ae8a31546bf 100644
--- a/third_party/WebKit/Source/core/dom/Document.h
+++ b/third_party/WebKit/Source/core/dom/Document.h
@@ -1000,12 +1000,6 @@ class CORE_EXPORT Document : public ContainerNode,
   bool IsDNSPrefetchEnabled() const { return is_dns_prefetch_enabled_; }
   void ParseDNSPrefetchControlHeader(const String&);
 
-  void PostTask(TaskType,
-                const WebTraceLocation&,
-                std::unique_ptr<ExecutionContextTask>,
-                const String& task_name_for_instrumentation = g_empty_string)
-      override;  // Executes the task on context's thread asynchronously.
-
   void TasksWereSuspended() final;
   void TasksWereResumed() final;
   bool TasksNeedSuspension() final;
@@ -1448,9 +1442,6 @@ class CORE_EXPORT Document : public ContainerNode,
   void SendSensitiveInputVisibility();
   void SendSensitiveInputVisibilityInternal();
 
-  void RunExecutionContextTask(std::unique_ptr<ExecutionContextTask>,
-                               bool instrumenting);
-
   bool HaveImportsLoaded() const;
 
   DocumentLifecycle lifecycle_;