Revert of Move TouchSelectionController from content to ui

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index 996cfbe9d08d06a8f36f29e5049e5a3eca959aa2..69654ea294ee9d949181590a2a85c94db05c397c 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -589,7 +589,7 @@
   Java_ContentViewCore_onSelectionChanged(env, obj.obj(), jtext.obj());
 }
 
-void ContentViewCoreImpl::OnSelectionEvent(ui::SelectionEventType event,
+void ContentViewCoreImpl::OnSelectionEvent(SelectionEventType event,
                                            const gfx::PointF& position) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
@@ -599,15 +599,15 @@
       env, j_obj.obj(), event, position.x(), position.y());
 }
 
-scoped_ptr<ui::TouchHandleDrawable>
+scoped_ptr<TouchHandleDrawable>
 ContentViewCoreImpl::CreatePopupTouchHandleDrawable() {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null()) {
     NOTREACHED();
-    return scoped_ptr<ui::TouchHandleDrawable>();
-  }
-  return scoped_ptr<ui::TouchHandleDrawable>(new PopupTouchHandleDrawable(
+    return scoped_ptr<TouchHandleDrawable>();
+  }
+  return scoped_ptr<TouchHandleDrawable>(new PopupTouchHandleDrawable(
       Java_ContentViewCore_createPopupTouchHandleDrawable(env, obj.obj()),
       dpi_scale_));
 }