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

chrome/renderer/chrome_render_view_observer.cc

 // Copyright (c) 2011 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 "chrome/renderer/chrome_render_view_observer.h"
 
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 305 matching lines @@
 }
 
 bool ChromeRenderViewObserver::allowScriptExtension(
     WebFrame* frame, const WebString& extension_name, int extension_group) {
   return extension_dispatcher_->AllowScriptExtension(
       frame, extension_name.utf8(), extension_group);
 }
 
 bool ChromeRenderViewObserver::allowReadFromClipboard(WebFrame* frame,
                                                      bool default_value) {
-  // TODO(dcheng): implement me
-  return default_value;
+  bool allowed = false;
+  Send(new ViewHostMsg_CanTriggerClipboardRead(
+      routing_id(), frame->url(), &allowed));
+  return allowed;
 }
 
 bool ChromeRenderViewObserver::allowWriteToClipboard(WebFrame* frame,
                                                     bool default_value) {
-  // TODO(dcheng): implement me
-  return default_value;
+  bool allowed = false;
+  Send(new ViewHostMsg_CanTriggerClipboardWrite(
+      routing_id(), frame->url(), &allowed));
+  return allowed;
 }
 
 void ChromeRenderViewObserver::didNotAllowPlugins(WebFrame* frame) {
   content_settings_->DidNotAllowPlugins(frame);
 }
 
 void ChromeRenderViewObserver::didNotAllowScript(WebFrame* frame) {
   content_settings_->DidNotAllowScript(frame);
 }
 
@@ skipping 333 matching lines @@
   if (net::DataURL::Parse(url, &mime_type, &char_set, &data) && !data.empty()) {
     // Decode the favicon using WebKit's image decoder.
     webkit_glue::ImageDecoder decoder(gfx::Size(kFaviconSize, kFaviconSize));
     const unsigned char* src_data =
         reinterpret_cast<const unsigned char*>(&data[0]);
 
     return decoder.Decode(src_data, data.size());
   }
   return SkBitmap();
 }