[Remoting Android] Fix thread issue with OpenGL drawable

remoting/client/display/gl_cursor_feedback.cc

Index: remoting/client/display/gl_cursor_feedback.cc
diff --git a/remoting/client/display/gl_cursor_feedback.cc b/remoting/client/display/gl_cursor_feedback.cc
index 978042117db3902971d25044c4bf6f436a941313..f8dacf7fd67be93ae355680d1866961c12e18461 100644
--- a/remoting/client/display/gl_cursor_feedback.cc
+++ b/remoting/client/display/gl_cursor_feedback.cc
@@ -43,7 +43,9 @@ float GetExpansionCoefficient(float progress) {
 
 namespace remoting {
 
-GlCursorFeedback::GlCursorFeedback() : weak_factory_(this) {}
+GlCursorFeedback::GlCursorFeedback() : weak_factory_(this) {
+  weak_ptr_ = weak_factory_.GetWeakPtr();
+}
 
 GlCursorFeedback::~GlCursorFeedback() {}
 
@@ -67,7 +69,6 @@ void GlCursorFeedback::StartAnimation(float x, float y, float diameter) {
 }
 
 bool GlCursorFeedback::Draw() {
-  DCHECK(thread_checker_.CalledOnValidThread());
   if (!layer_ || animation_start_time_.is_null()) {
     return false;
   }
@@ -95,8 +96,7 @@ int GlCursorFeedback::GetZIndex() {
 }
 
 base::WeakPtr<Drawable> GlCursorFeedback::GetWeakPtr() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  return weak_factory_.GetWeakPtr();
+  return weak_ptr_;
 }
 
 }  // namespace remoting