Drive extension functions from ExtensionFunction::Run. The

chrome/browser/extensions/api/capture_web_contents_function.cc

 // Copyright 2013 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/browser/extensions/api/capture_web_contents_function.h"
 
 #include "base/base64.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/api/tabs/tabs_constants.h"
 #include "content/public/browser/render_view_host.h"
@@ skipping 14 matching lines @@
 CaptureWebContentsFunction::CaptureWebContentsFunction() {
 }
 
 CaptureWebContentsFunction::~CaptureWebContentsFunction() {
 }
 
 bool CaptureWebContentsFunction::HasPermission() {
   return true;
 }
 
-bool CaptureWebContentsFunction::RunImpl() {
+bool CaptureWebContentsFunction::RunAsync() {
   EXTENSION_FUNCTION_VALIDATE(args_);
 
   context_id_ = extension_misc::kCurrentWindowId;
   args_->GetInteger(0, &context_id_);
 
   scoped_ptr<ImageDetails> image_details;
   if (args_->GetSize() > 1) {
     base::Value* spec = NULL;
     EXTENSION_FUNCTION_VALIDATE(args_->Get(1, &spec) && spec);
     image_details = ImageDetails::FromValue(*spec);
@@ skipping 83 matching lines @@
       reinterpret_cast<const char*>(vector_as_array(&data)), data.size());
 
   base::Base64Encode(stream_as_string, &base64_result);
   base64_result.insert(0, base::StringPrintf("data:%s;base64,",
                                              mime_type.c_str()));
   SetResult(new base::StringValue(base64_result));
   SendResponse(true);
 }
 
 }  // namespace extensions