Adds DevTools commands for forced viewport override.

content/browser/devtools/protocol/emulation_handler.cc

 // Copyright 2015 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/protocol/emulation_handler.h"
 
 #include <utility>
 
 #include "base/strings/string_number_conversions.h"
 #include "build/build_config.h"
@@ skipping 133 matching lines @@
     bool fit_window,
     const double* optional_scale,
     const double* optional_offset_x,
     const double* optional_offset_y,
     const int* screen_width,
     const int* screen_height,
     const int* position_x,
     const int* position_y,
     const std::unique_ptr<base::DictionaryValue>& screen_orientation) {
   const static int max_size = 10000000;
-  const static double max_scale = 10;
   const static int max_orientation_angle = 360;
 
   if (!host_)
     return Response::InternalError("Could not connect to view");
 
   if (screen_width && screen_height &&
       (*screen_width < 0 || *screen_height < 0 ||
            *screen_width > max_size || *screen_height > max_size)) {
     return Response::InvalidParams(
         "Screen width and height values must be positive, not greater than " +
         base::IntToString(max_size));
   }
 
   if (screen_width && screen_height && position_x && position_y &&
       (*position_x < 0 || *position_y < 0 ||
            *position_x > *screen_width || *position_y > *screen_height)) {
     return Response::InvalidParams("View position should be on the screen");
   }
 
   if (width < 0 || height < 0 || width > max_size || height > max_size) {
     return Response::InvalidParams(
         "Width and height values must be positive, not greater than " +
         base::IntToString(max_size));
   }
 
   if (device_scale_factor < 0)
     return Response::InvalidParams("deviceScaleFactor must be non-negative");
 
-  if (optional_scale && (*optional_scale <= 0 || *optional_scale > max_scale)) {
-    return Response::InvalidParams(
-        "scale must be positive, not greater than " +
-        base::DoubleToString(max_scale));
-  }
-
   blink::WebScreenOrientationType orientationType =
       blink::WebScreenOrientationUndefined;
   int orientationAngle = 0;
   if (screen_orientation) {
     std::string orientationTypeString;
     if (!screen_orientation->GetString("type", &orientationTypeString)) {
       return Response::InvalidParams(
           "Screen orientation type must be a string");
     }
     orientationType = WebScreenOrientationTypeFromString(orientationTypeString);
@@ skipping 14 matching lines @@
   blink::WebDeviceEmulationParams params;
   params.screenPosition = mobile ? blink::WebDeviceEmulationParams::Mobile :
       blink::WebDeviceEmulationParams::Desktop;
   if (screen_width && screen_height)
     params.screenSize = blink::WebSize(*screen_width, *screen_height);
   if (position_x && position_y)
     params.viewPosition = blink::WebPoint(*position_x, *position_y);
   params.deviceScaleFactor = device_scale_factor;
   params.viewSize = blink::WebSize(width, height);
   params.fitToView = fit_window;
-  params.scale = optional_scale ? *optional_scale : 1;
-  params.offset = blink::WebFloatPoint(
-      optional_offset_x ? *optional_offset_x : 0.f,
-      optional_offset_y ? *optional_offset_y : 0.f);
   params.screenOrientationType = orientationType;
   params.screenOrientationAngle = orientationAngle;
 
   if (device_emulation_enabled_ && params == device_emulation_params_)
     return Response::OK();
 
   device_emulation_enabled_ = true;
   device_emulation_params_ = params;
   UpdateDeviceEmulationState();
   return Response::OK();
@@ skipping 37 matching lines @@
         widget_host->GetRoutingID(), device_emulation_params_));
   } else {
     widget_host->Send(new ViewMsg_DisableDeviceEmulation(
         widget_host->GetRoutingID()));
   }
 }
 
 }  // namespace emulation
 }  // namespace devtools
 }  // namespace content