[DevTools] Enable full-size screenshots

third_party/WebKit/Source/devtools/front_end/sdk/ScreenCaptureModel.js

 // Copyright 2017 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 {Protocol.PageDispatcher}
  */
 SDK.ScreenCaptureModel = class extends SDK.SDKModel {
   /**
    * @param {!SDK.Target} target
@@ skipping 30 matching lines @@
   }
 
   /**
    * @param {string} format
    * @param {number} quality
    * @return {!Promise<?string>}
    */
   captureScreenshot(format, quality) {
     var fulfill;
     var promise = new Promise(callback => fulfill = callback);
-    this._agent.captureScreenshot(format, quality, false, (error, content) => {
+    this._agent.captureScreenshot(format, quality, true, (error, content) => {
       if (error)
         console.error(error);
       fulfill(error ? null : content);
     });
     return promise;
   }
 
   /**
-   * @return {!Promise<?{width: number, height: number}>}
+   * @return {!Promise<?{viewportX: number, viewportY: number, viewportScale: number, contentWidth: number, contentHeight: number}>}
    */
-  fetchContentSize() {
+  fetchLayoutMetrics() {
     var fulfill;
     var promise = new Promise(callback => fulfill = callback);
     this._agent.getLayoutMetrics((error, layoutViewport, visualViewport, contentSize) => {
-      fulfill(error ? null : {width: contentSize.width, height: contentSize.height});
+      fulfill(error ? null : {
+        viewportX: visualViewport.pageX,
+        viewportY: visualViewport.pageY,
+        viewportScale: visualViewport.scale,
+        contentWidth: contentSize.width,
+        contentHeight: contentSize.height
+      });
     });
     return promise;
   }
 
   /**
    * @override
    * @param {string} data
    * @param {!Protocol.Page.ScreencastFrameMetadata} metadata
    * @param {number} sessionId
    */
@@ skipping 118 matching lines @@
   }
 
   /**
    * @override
    */
   navigationRequested() {
   }
 };
 
 SDK.SDKModel.register(SDK.ScreenCaptureModel, SDK.Target.Capability.ScreenCapture, false);