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

chrome/browser/tab_contents/tab_contents_view.cc

Index: chrome/browser/tab_contents/tab_contents_view.cc
diff --git a/chrome/browser/tab_contents/tab_contents_view.cc b/chrome/browser/tab_contents/tab_contents_view.cc
index 9574a56b41ff1ebbb8749ff8a5e8334b2006d339..1e381154d95307aafd2fc8ac0ab9ff04c85afefd 100644
--- a/chrome/browser/tab_contents/tab_contents_view.cc
+++ b/chrome/browser/tab_contents/tab_contents_view.cc
@@ -95,6 +95,14 @@ void TabContentsView::ShowCreatedFullscreenWidget(int route_id) {
   ShowCreatedFullscreenWidgetInternal(widget_host_view);
 }
 
+bool TabContentsView::IsCopyCutEnabled() {
+  return false;
+}
+
+bool TabContentsView::IsPasteEnabled() {
+  return false;
+}
+
 void TabContentsView::LostCapture() {
   if (tab_contents_->delegate())
     tab_contents_->delegate()->LostCapture();