Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/test/fake_compositor_dependencies.cc

Index: content/test/fake_compositor_dependencies.cc
diff --git a/content/test/fake_compositor_dependencies.cc b/content/test/fake_compositor_dependencies.cc
index 37ef965dc6364f749971b23a947a2b598145aa89..a29312fa8a5f6d7d7c86062bf32730dd68b353a2 100644
--- a/content/test/fake_compositor_dependencies.cc
+++ b/content/test/fake_compositor_dependencies.cc
@@ -4,8 +4,7 @@
 
 #include "content/test/fake_compositor_dependencies.h"
 
-#include "base/single_thread_task_runner.h"
-#include "base/thread_task_runner_handle.h"
+#include "base/message_loop/message_loop_proxy.h"
 #include "cc/test/fake_external_begin_frame_source.h"
 #include "third_party/khronos/GLES2/gl2.h"
 
@@ -59,7 +58,7 @@ uint32 FakeCompositorDependencies::GetImageTextureTarget() {
 
 scoped_refptr<base::SingleThreadTaskRunner>
 FakeCompositorDependencies::GetCompositorMainThreadTaskRunner() {
-  return base::ThreadTaskRunnerHandle::Get();
+  return base::MessageLoopProxy::current();
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>