[Experimental, WIP] Demo version of extracting WebView selection data from CompositorFrame.

content/renderer/render_view_impl.cc

 // 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 1898 matching lines @@
 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
                                         const WebNode& toNode) {
   has_scrolled_focused_editable_node_into_rect_ = false;
 
   gfx::Rect node_bounds;
   if (!toNode.isNull() && toNode.isElementNode()) {
     WebNode web_node = const_cast<WebNode&>(toNode);
     node_bounds = gfx::Rect(web_node.to<WebElement>().boundsInViewportSpace());
   }
   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(toNode),
-                                          node_bounds));
+                                          IsPluginNode(toNode), node_bounds));
 
   // TODO(estade): remove.
   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
 
   RenderFrameImpl* previous_frame = nullptr;
   if (!fromNode.isNull())
     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
   RenderFrameImpl* new_frame = nullptr;
   if (!toNode.isNull())
     new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
@@ skipping 311 matching lines @@
         if (base::LowerCaseEqualsASCII(element.attributeValue(i), "textbox"))
           return true;
         break;
       }
     }
   }
 
   return false;
 }
 
+bool RenderViewImpl::IsPluginNode(const WebNode& node) const {
+  if (node.isNull())
+    return false;
+
+  return node.pluginContainer();
+}
+
 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
   return (!send_preferred_size_changes_ ||
           (disable_scrollbars_size_limit_.width() <= width ||
            disable_scrollbars_size_limit_.height() <= height));
 }
 
 int RenderViewImpl::GetEnabledBindings() const {
   return enabled_bindings_;
 }
 
@@ skipping 1533 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content