EDK: Make mojo::platform::TaskRunner's PostTask() take an std::function<void()>.

mojo/edk/base_edk/platform_task_runner_impl.cc

Index: mojo/edk/base_edk/platform_task_runner_impl.cc
diff --git a/mojo/edk/base_edk/platform_task_runner_impl.cc b/mojo/edk/base_edk/platform_task_runner_impl.cc
index 8fac0a0db06a44542a19a13e9d67e483c36ca373..1f2d14f7734f7a50c58666dd0bccde239d6d452f 100644
--- a/mojo/edk/base_edk/platform_task_runner_impl.cc
+++ b/mojo/edk/base_edk/platform_task_runner_impl.cc
@@ -6,10 +6,18 @@
 
 #include <utility>
 
+#include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 
 namespace base_edk {
+namespace {
+
+void RunFunction(const std::function<void()>& fn) {
+  fn();
+}
+
+}  // namespace
 
 PlatformTaskRunnerImpl::PlatformTaskRunnerImpl(
     scoped_refptr<base::TaskRunner>&& base_task_runner)
@@ -19,6 +27,12 @@ PlatformTaskRunnerImpl::PlatformTaskRunnerImpl(
 
 PlatformTaskRunnerImpl::~PlatformTaskRunnerImpl() {}
 
+void PlatformTaskRunnerImpl::PostTask(std::function<void()>&& task) {
+  bool result = base_task_runner_->PostTask(tracked_objects::Location(),
+                                            base::Bind(&RunFunction, task));
+  DCHECK(result);
+}
+
 void PlatformTaskRunnerImpl::PostTask(const base::Closure& task) {
   bool result = base_task_runner_->PostTask(tracked_objects::Location(), task);
   DCHECK(result);