Draggable region support for frameless app window on Windows.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 4d136cc14d7f2612466e695c2e10854597030217..bcdc36a1bea6c5e9a81644ce1343b4a2e4c842af 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -5687,6 +5687,20 @@ WebKit::WebUserMediaClient* RenderViewImpl::userMediaClient() {
   return media_stream_impl_;
 }
 
+void RenderViewImpl::draggableRegionsChanged() {
+  WebKit::WebVector<WebKit::WebDraggableRegion> webregions =
+      webview()->mainFrame()->document().draggableRegions();
+  std::vector<content::DraggableRegion> regions;
+  for (size_t i = 0; i < webregions.size(); ++i) {
+    content::DraggableRegion region;
+    region.label = UTF16ToASCII(webregions[i].label);
+    region.bounds = webregions[i].bounds;
+    region.clip = webregions[i].clip;
+    regions.push_back(region);
+  }
+  Send(new ViewHostMsg_UpdateDraggableRegions(routing_id_, regions));
+}
+
 void RenderViewImpl::OnAsyncFileOpened(
     base::PlatformFileError error_code,
     IPC::PlatformFileForTransit file_for_transit,