Adding drawable to CRD andorid and iOS gl rendering pipeline.

remoting/client/gl_cursor_feedback.cc

 // 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 "remoting/client/gl_cursor_feedback.h"
 
 #include <math.h>
 
 #include <array>
 
@@ skipping 25 matching lines @@
     return 1.f - pow(kExpansionBase, -progress);
   };
   static const float kExpansionNormalization = get_unnormalized_coeff(1);
   return get_unnormalized_coeff(progress) / kExpansionNormalization;
 }
 
 }  // namespace
 
 namespace remoting {
 
-GlCursorFeedback::GlCursorFeedback() {}
+GlCursorFeedback::GlCursorFeedback() : weak_factory_(this) {
+  SetZIndex(DrawableZIndex::CURSOR_FEEDBACK);
+}
 
 GlCursorFeedback::~GlCursorFeedback() {}
 
 void GlCursorFeedback::SetCanvas(GlCanvas* canvas) {
   if (!canvas) {
     layer_.reset();
     return;
   }
   layer_.reset(new GlRenderLayer(kGlCursorFeedbackTextureId, canvas));
   GlCursorFeedbackTexture* texture = GlCursorFeedbackTexture::GetInstance();
@@ skipping 25 matching lines @@
   FillRectangleVertexPositions(cursor_x_ - diameter / 2,
                                cursor_y_ - diameter / 2,
                                diameter, diameter, &positions);
   layer_->SetVertexPositions(positions);
 
   // Linear fade-out.
   layer_->Draw(1.f - progress);
   return true;
 }
 
+base::WeakPtr<GlDrawable> GlCursorFeedback::GetWeakPtr() {
+  return weak_factory_.GetWeakPtr();
+}
+
 }  // namespace remoting