Add fromSurface optional parameter to devtools Page.CaptureScreenshot

third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeModel.js

 // 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.
 /**
  * @implements {SDK.TargetManager.Observer}
  * @unrestricted
  */
 Emulation.DeviceModeModel = class {
   /**
    * @param {function()} updateCallback
@@ skipping 634 matching lines @@
       promises.push(this._target.emulationAgent().invoke_setDeviceMetricsOverride({
         width: 0,
         height: 0,
         deviceScaleFactor: this._appliedDeviceScaleFactor,
         mobile: this._isMobile(),
         fitWindow: false,
         scale: this._scale,
       }));
       promises.push(this._target.emulationAgent().setVisibleSize(
           Math.floor(scaledPageSize.width), Math.floor(scaledPageSize.height)));
-      Promise.all(promises).then(() => screenCaptureModel.captureScreenshot('png', 100)).then(content => {
+      Promise.all(promises).then(() => screenCaptureModel.captureScreenshot('png', 100, false)).then(content => {
         this._target.emulationAgent().setVisibleSize(this._emulatedPageSize.width, this._emulatedPageSize.height);
         this._target.emulationAgent().resetViewport();
         callback(content);
       });
     });
   }
 
   _deviceMetricsOverrideAppliedForTest() {
     // Used for sniffing in tests.
   }
@@ skipping 24 matching lines @@
 
 Emulation.DeviceModeModel.MinDeviceSize = 50;
 Emulation.DeviceModeModel.MaxDeviceSize = 9999;
 
 
 Emulation.DeviceModeModel._defaultMobileUserAgent =
     'Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/%s Mobile Safari/537.36';
 Emulation.DeviceModeModel._defaultMobileUserAgent =
     SDK.MultitargetNetworkManager.patchUserAgentWithChromeVersion(Emulation.DeviceModeModel._defaultMobileUserAgent);
 Emulation.DeviceModeModel.defaultMobileScaleFactor = 2;