DevTools: allow capturing screenshots from command menu.

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

 // 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.
 /**
  * @unrestricted
  */
 Emulation.DeviceModeWrapper = class extends UI.VBox {
   /**
    * @param {!Emulation.InspectedPagePlaceholder} inspectedPagePlaceholder
    */
   constructor(inspectedPagePlaceholder) {
     super();
     Emulation.DeviceModeView._wrapperInstance = this;
     this._inspectedPagePlaceholder = inspectedPagePlaceholder;
     /** @type {?Emulation.DeviceModeView} */
     this._deviceModeView = null;
     this._toggleDeviceModeAction = UI.actionRegistry.action('emulation.toggle-device-mode');
     this._showDeviceModeSetting = Common.settings.createSetting('emulation.showDeviceMode', false);
     this._showDeviceModeSetting.addChangeListener(this._update.bind(this, false));
     this._update(true);
   }
 
   _toggleDeviceMode() {
     this._showDeviceModeSetting.set(!this._showDeviceModeSetting.get());
   }
 
   /**
+   * @param {boolean=} fullSize
    * @return {boolean}
    */
-  _captureScreenshot() {
+  _captureScreenshot(fullSize) {
     if (!this._deviceModeView)
-      return false;
-    this._deviceModeView.captureScreenshot();
+      this._deviceModeView = new Emulation.DeviceModeView();
+    this._deviceModeView.setNonEmulatedAvailableSize(this._inspectedPagePlaceholder.element);
+    if (fullSize)
+      this._deviceModeView.captureFullSizeScreenshot();
+    else
+      this._deviceModeView.captureScreenshot();
     return true;
   }
 
-  /**
-   * @return {boolean}
-   */
-  _captureFullSizeScreenshot() {
-    if (!this._deviceModeView)
-      return false;
-    this._deviceModeView.captureFullSizeScreenshot();
-    return true;
-  }
-
   /**
    * @param {boolean} force
    */
   _update(force) {
     this._toggleDeviceModeAction.setToggled(this._showDeviceModeSetting.get());
     if (!force) {
       var showing = this._deviceModeView && this._deviceModeView.isShowing();
       if (this._showDeviceModeSetting.get() === showing)
         return;
     }
@@ skipping 27 matching lines @@
    * @param {string} actionId
    * @return {boolean}
    */
   handleAction(context, actionId) {
     if (Emulation.DeviceModeView._wrapperInstance) {
       switch (actionId) {
         case 'emulation.capture-screenshot':
           return Emulation.DeviceModeView._wrapperInstance._captureScreenshot();
 
         case 'emulation.capture-full-height-screenshot':
-          return Emulation.DeviceModeView._wrapperInstance._captureFullSizeScreenshot();
+          return Emulation.DeviceModeView._wrapperInstance._captureScreenshot(true);
 
         case 'emulation.toggle-device-mode':
           Emulation.DeviceModeView._wrapperInstance._toggleDeviceMode();
           return true;
       }
     }
     return false;
   }
 };