Limit PDF helper extension to print preview only

content/public/test/browser_test_utils.cc

 // Copyright (c) 2012 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 "content/public/test/browser_test_utils.h"
 
 #include <stddef.h>
 #include <tuple>
 #include <utility>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
 #include "base/macros.h"
 #include "base/process/kill.h"
 #include "base/rand_util.h"
+#include "base/strings/pattern.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/test/test_timeouts.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_manager.h"
 #include "content/browser/accessibility/accessibility_mode_helper.h"
@@ skipping 1742 matching lines @@
 }
 
 bool TestNavigationManager::ShouldMonitorNavigation(NavigationHandle* handle) {
   if (handle_ || handle->GetURL() != url_)
     return false;
   if (handled_navigation_)
     return false;
   return true;
 }
 
+ConsoleObserverDelegate::ConsoleObserverDelegate(WebContents* web_contents,
+                                                 const std::string& filter)
+    : web_contents_(web_contents),
+      filter_(filter),
+      message_loop_runner_(new MessageLoopRunner) {}
+
+ConsoleObserverDelegate::~ConsoleObserverDelegate() {}
+
+void ConsoleObserverDelegate::Wait() {
+  message_loop_runner_->Run();
+}
+
+bool ConsoleObserverDelegate::AddMessageToConsole(
+    WebContents* source,
+    int32_t level,
+    const base::string16& message,
+    int32_t line_no,
+    const base::string16& source_id) {
+  DCHECK(source == web_contents_);
+
+  std::string ascii_message = base::UTF16ToASCII(message);
+  if (base::MatchPattern(ascii_message, filter_)) {
+    message_ = ascii_message;
+    message_loop_runner_->Quit();
+  }
+  return false;
+}
+
 }  // namespace content