WebVR: fix incorrect renderWidth for the right eye

device/vr/android/gvr/gvr_device.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 "device/vr/android/gvr/gvr_device.h"
 
 #include <math.h>
 #include <algorithm>
 
 #include "base/time/time.h"
@@ skipping 85 matching lines @@
     return device;
   }
 
   // In compositor mode, we have to use the current compositor window's
   // surface size. Would be nice to change it, but that needs more browser
   // internals to be modified. TODO(klausw,crbug.com/655722): remove this once
   // we can pick our own surface size.
   gvr::Sizei compositor_size = delegate_->GetWebVRCompositorSurfaceSize();
   left_eye->renderWidth = compositor_size.width / 2;
   left_eye->renderHeight = compositor_size.height;
-  right_eye->renderWidth = left_eye->renderHeight;
+  right_eye->renderWidth = left_eye->renderWidth;
   right_eye->renderHeight = left_eye->renderHeight;
 
   std::string vendor = gvr_api->GetViewerVendor();
   std::string model = gvr_api->GetViewerModel();
   device->displayName = vendor + " " + model;
 
   gvr::BufferViewportList gvr_buffer_viewports =
       gvr_api->CreateEmptyBufferViewportList();
   gvr_buffer_viewports.SetToRecommendedBufferViewports();
 
@@ skipping 151 matching lines @@
 }
 
 gvr::GvrApi* GvrDevice::GetGvrApi() {
   if (!delegate_)
     return nullptr;
 
   return delegate_->gvr_api();
 }
 
 }  // namespace device