Migrates battery_status from content/renderer/ to WebKit/platform/

third_party/WebKit/Source/platform/threading/BindForMojo.h

 // Copyright 2016 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.
 
-#include "core/editing/commands/EditingState.h"
+#ifndef BindForMojo_h
+#define BindForMojo_h
+
+#include "base/bind.h"
+#include "mojo/public/cpp/bindings/callback.h"
+
+// This file provides limited access to base::Bind() function. base::Bind()
+// could be dangerous if it's used across threads, so we don't want to allow
+// general use of base::Bind().
+// See also "platform/ThreadSafeFunctional.h".
 
 namespace blink {
 
-EditingState::EditingState()
+// Binds an instance of a class to its member function. Does not bind anything
+// else.
+template<typename Class, typename ReturnType, typename... Args>
+mojo::Callback<ReturnType(Args...)>
+sameThreadBindForMojo(ReturnType (Class::*method)(Args...), Class* instance)
 {
+    return base::Bind(method, base::Unretained(instance));
 }
 
-EditingState::~EditingState()
-{
-}
+} // namespace blink
 
-void EditingState::abort()
-{
-    ASSERT(!m_isAborted);
-    m_isAborted = true;
-}
-
-// ---
-IgnorableEditingAbortState::IgnorableEditingAbortState()
-{
-}
-
-IgnorableEditingAbortState::~IgnorableEditingAbortState()
-{
-}
-
-#if ENABLE(ASSERT)
-// ---
-
-NoEditingAbortChecker::NoEditingAbortChecker(const char* file, int line)
-    : m_file(file)
-    , m_line(line) { }
-
-NoEditingAbortChecker::~NoEditingAbortChecker()
-{
-    ASSERT_AT(!m_editingState.isAborted(), m_file, m_line, "");
-}
-
-#endif
-
-} // namespace blink
+#endif // BindForMojo_h