DevTools: Add feature to capture full-height screenshots

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

Index: third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeWrapper.js
diff --git a/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeWrapper.js b/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeWrapper.js
index faaa35bf0e6852eac439dc3aa9dff6b3f0d204fa..4e880743dcba2845ab504f18c61be5e6e29070fc 100644
--- a/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeWrapper.js
+++ b/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeWrapper.js
@@ -35,6 +35,16 @@ Emulation.DeviceModeWrapper = class extends UI.VBox {
   }
 
   /**
+   * @return {boolean}
+   */
+  _captureFullHeightScreenshot() {
+    if (!this._deviceModeView)
+      return false;
+    this._deviceModeView.captureFullHeightScreenshot();
+    return true;
+  }
+
+  /**
    * @param {boolean} force
    */
   _update(force) {
@@ -80,8 +90,12 @@ Emulation.DeviceModeWrapper.ActionDelegate = class {
         Emulation.DeviceModeView._wrapperInstance._toggleDeviceMode();
         return true;
       }
-      if (actionId === 'emulation.capture-screenshot')
-        return Emulation.DeviceModeView._wrapperInstance._captureScreenshot();
+      switch (actionId) {
+        case 'emulation.capture-screenshot':
+          return Emulation.DeviceModeView._wrapperInstance._captureScreenshot();
+        case 'emulation.capture-full-height-screenshot':
+          return Emulation.DeviceModeView._wrapperInstance._captureFullHeightScreenshot();
+      }
     }
     return false;
   }