Plumb CompositedDisplayList to WebViewImpl

public/web/WebView.h

 /*
  * Copyright (C) 2009, 2010, 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebView_h
 #define WebView_h
 
 #include "../platform/WebColor.h"
+#include "../platform/WebCompositedDisplayList.h"
 #include "../platform/WebDisplayMode.h"
 #include "../platform/WebFocusType.h"
 #include "../platform/WebPageVisibilityState.h"
 #include "../platform/WebString.h"
 #include "../platform/WebVector.h"
 #include "WebDragOperation.h"
 #include "WebHistoryCommitType.h"
 #include "WebHistoryItem.h"
 #include "WebWidget.h"
 
@@ skipping 400 matching lines @@
     virtual void setShowPaintRects(bool) = 0;
     virtual void setShowFPSCounter(bool) = 0;
     virtual void setShowScrollBottleneckRects(bool) = 0;
 
     // Visibility -----------------------------------------------------------
 
     // Sets the visibility of the WebView.
     virtual void setVisibilityState(WebPageVisibilityState visibilityState,
                                     bool isInitialState) { }
 
+    // Graphics -------------------------------------------------------------
+
+    virtual void setCompositedDisplayList(WebCompositedDisplayList*) { }

[jbroman, 2015/08/19 18:33:50]

Will the embedder ever call this? If not, suggest making this take
PassOwnPtr<WebCompositedDisplayList> and making it a concrete method on
WebViewImpl only.

[pdr., 2015/08/20 04:01:55]

Good idea. Done.

+    virtual WebCompositedDisplayList* compositedDisplayList() { return nullptr; }
+
     // PageOverlay ----------------------------------------------------------
 
     // Overlay this WebView with a solid color.
     virtual void setPageOverlayColor(WebColor) = 0;
 
 
     // i18n -----------------------------------------------------------------
 
     // Inform the WebView that the accept languages have changed.
     // If the WebView wants to get the accept languages value, it will have
@@ skipping 10 matching lines @@
     // context's ability to deal with that failure gracefully can be tested.
     virtual void forceNextDrawingBufferCreationToFail() = 0;
 
 protected:
     ~WebView() {}
 };
 
 } // namespace blink
 
 #endif