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

chrome/browser/renderer_host/render_view_host.cc

Index: chrome/browser/renderer_host/render_view_host.cc
diff --git a/chrome/browser/renderer_host/render_view_host.cc b/chrome/browser/renderer_host/render_view_host.cc
index e3cc83e68e0c91f86045091f4b1edda2043e33fa..879885ba0228342b6ac9e24646c360f7689cfa15 100644
--- a/chrome/browser/renderer_host/render_view_host.cc
+++ b/chrome/browser/renderer_host/render_view_host.cc
@@ -774,6 +774,8 @@ bool RenderViewHost::OnMessageReceived(const IPC::Message& msg) {
                                     OnMsgRunBeforeUnloadConfirm)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ViewHostMsg_ShowModalHTMLDialog,
                                     OnMsgShowModalHTMLDialog)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_IsCopyCutEnabled, OnIsCopyCutEnabled)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_IsPasteEnabled, OnIsPasteEnabled)
     IPC_MESSAGE_HANDLER(ViewHostMsg_StartDragging, OnMsgStartDragging)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateDragCursor, OnUpdateDragCursor)
     IPC_MESSAGE_HANDLER(ViewHostMsg_TakeFocus, OnTakeFocus)
@@ -1263,6 +1265,22 @@ void RenderViewHost::PrintNodeUnderContextMenu() {
   Send(new ViewMsg_PrintNodeUnderContextMenu(routing_id()));
 }
 
+void RenderViewHost::OnIsCopyCutEnabled(bool* enabled) {
+  RenderViewHostDelegate::View* view = delegate_->GetViewDelegate();
+  if (view)
+    *enabled = view->IsCopyCutEnabled();
+  else
+    *enabled = false;
+}
+
+void RenderViewHost::OnIsPasteEnabled(bool* enabled) {
+  RenderViewHostDelegate::View* view = delegate_->GetViewDelegate();
+  if (view)
+    *enabled = view->IsPasteEnabled();
+  else
+    *enabled = false;
+}
+
 void RenderViewHost::OnMsgStartDragging(
     const WebDropData& drop_data,
     WebDragOperationsMask drag_operations_mask,