Simplify content_layer attachment and viewporting logic.

chrome/browser/android/compositor/layer/tab_layer.cc

 // Copyright 2014 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 "chrome/browser/android/compositor/layer/tab_layer.h"
 
 #include "base/i18n/rtl.h"
 #include "base/memory/ptr_util.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_collections.h"
@@ skipping 431 matching lines @@
 
   if (!back_visible) {
     gfx::Rect rounded_descaled_content_area(
         round(descaled_local_content_area.x()),
         round(descaled_local_content_area.y()),
         round(desired_content_size.width()),
         round(desired_content_size.height()));
 
     content_->SetProperties(id, can_use_live_layer, static_to_view_blend,
                             true, alpha, saturation,
-                            rounded_descaled_content_area,
-                            gfx::Size(content_width, content_height));
+                            true, rounded_descaled_content_area);
   } else if (back_logo_resource) {
     back_logo_->SetUIResourceId(back_logo_resource->ui_resource->id());
   }
 
   //----------------------------------------------------------------------------
   // Push Size, Position, Alpha and Transformations to Layers
   //----------------------------------------------------------------------------
   shadow_->SetHideLayerAndSubtree(!shadow_visible);
   if (shadow_visible) {
     shadow_->SetPosition(shadow_position);
@@ skipping 213 matching lines @@
       title_->RemoveAllChildren();
       title_->AddChild(layer);
     }
   }
 
   if (title)
     title->SetUIResourceIds();
 }
 
 }  //  namespace android