DevTools: pass offset top and bottom for screencast viewport.

content/browser/devtools/renderer_overrides_handler.cc

 // Copyright (c) 2013 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 "content/browser/devtools/renderer_overrides_handler.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/bind.h"
@@ skipping 407 matching lines @@
 
   base::DictionaryValue* response = new base::DictionaryValue();
   response->SetString(devtools::Page::kData, base_64_data);
 
   // Consider metadata empty in case it has no device scale factor.
   if (metadata.device_scale_factor != 0) {
     response->SetDouble(devtools::Page::kParamDeviceScaleFactor,
                         metadata.device_scale_factor);
     response->SetDouble(devtools::Page::kParamPageScaleFactor,
                         metadata.page_scale_factor);
+    response->SetDouble(devtools::Page::kParamOffsetTop,
+                        metadata.location_bar_content_translation.y());
+    response->SetDouble(devtools::Page::kParamOffsetBottom,
+                        metadata.overdraw_bottom_height);
 
     base::DictionaryValue* viewport = new base::DictionaryValue();
     viewport->SetDouble(devtools::kParamX, metadata.root_scroll_offset.x());
     viewport->SetDouble(devtools::kParamY, metadata.root_scroll_offset.y());
     viewport->SetDouble(devtools::kParamWidth, metadata.viewport_size.width());
     viewport->SetDouble(devtools::kParamHeight,
                         metadata.viewport_size.height());
     response->Set(devtools::Page::kParamViewport, viewport);
   }
 
@@ skipping 143 matching lines @@
       return NULL;
     }
     event.data.pinchUpdate.scale = static_cast<float>(scale);
   }
 
   host->ForwardGestureEvent(event);
   return command->SuccessResponse(NULL);
 }
 
 }  // namespace content