Provide HostView with data required for creating a new and session, and render for CRD iOS.

remoting/client/ios/display/gl_demo_screen.mm

 // Copyright 2017 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/ios/display/gl_demo_screen.h"
 
 #include "base/logging.h"
 #include "remoting/client/display/canvas.h"
 #include "remoting/client/display/gl_math.h"
 
@@ skipping 86 matching lines @@
       // Send geometry to vertex shader.
       GLuint aPosition = glGetAttribLocation(program_, a_position);
 
       glVertexAttribPointer(aPosition, 2, GL_FLOAT, GL_FALSE, 0, square);
       glEnableVertexAttribArray(aPosition);
 
       // Draw.
       glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
     }
   }
-  return true;
+  return false;
 }
 
 base::WeakPtr<Drawable> GlDemoScreen::GetWeakPtr() {
   DCHECK(thread_checker_.CalledOnValidThread());
   return weak_factory_.GetWeakPtr();
 }
 
 }  // namespace remoting