New tabCapture.captureOffscreenTab API, initially for Presentation API 1UA mode

chrome/browser/extensions/api/tab_capture/tab_capture_api.h

 // Copyright (c) 2012 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.
 
 // Defines the Chrome Extensions Tab Capture API functions for accessing
 // tab media streams.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_TAB_CAPTURE_TAB_CAPTURE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TAB_CAPTURE_TAB_CAPTURE_API_H_
 
@@ skipping 22 matching lines @@
   DECLARE_EXTENSION_FUNCTION("tabCapture.getCapturedTabs",
                              TABCAPTURE_GETCAPTUREDTABS)
 
  protected:
   ~TabCaptureGetCapturedTabsFunction() override {}
 
   // ExtensionFunction:
   bool RunSync() override;
 };
 
+class TabCaptureCapturePresentationFunction : public SyncExtensionFunction {
+  ~TabCaptureCapturePresentationFunction() final {}
+  DECLARE_EXTENSION_FUNCTION("tabCapture.capturePresentation",
+                             TABCAPTURE_CAPTUREPRESENTATION)
+  bool RunSync() final;

[Kevin M, 2015/06/29 22:17:02]

// ExtensionFunction

[miu, 2015/06/30 04:09:59]

Done.

+};
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TAB_CAPTURE_TAB_CAPTURE_API_H_