Add IPCs to check web copy/cut/paste for extensions with the appropriate permission bit.

content/renderer/render_view.cc

Index: content/renderer/render_view.cc
diff --git a/content/renderer/render_view.cc b/content/renderer/render_view.cc
index d3c32f014f295a5b9d8416510f87fc54193dde90..9cfd27aa258ff4b082bf53a40a49707596936714 100644
--- a/content/renderer/render_view.cc
+++ b/content/renderer/render_view.cc
@@ -1465,6 +1465,22 @@ void RenderView::didExecuteCommand(const WebString& command_name) {
   webkit_glue::UserMetricsRecordAction(name);
 }
 
+bool RenderView::canTriggerClipboardRead(const WebURL& url) {
+  bool allowed;

[jam, 2011/04/27 00:54:12]

nit should initialize this to false in case IPC fails

+  RenderThread::current()->Send(

[jam, 2011/04/27 00:54:12]

RenderView can send IPCs directly, no need for "RenderThread::current()->"

+      new ViewHostMsg_CanTriggerClipboardRead(routing_id_, GURL(url),
+                                              &allowed));
+  return allowed;
+}
+
+bool RenderView::canTriggerClipboardWrite(const WebURL& url) {
+  bool allowed;
+  RenderThread::current()->Send(
+      new ViewHostMsg_CanTriggerClipboardWrite(routing_id_, GURL(url),
+                                               &allowed));
+  return allowed;
+}
+
 void RenderView::SendPendingAccessibilityNotifications() {
   if (!accessibility_.get())
     return;