Make IPC::Channel::Listener:OnMessageReceived have a return value indicating ...

chrome/test/automation/automation_proxy_uitest.cc

 // Copyright (c) 2010 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 <string>
 
 #include "app/app_switches.h"
 #include "app/message_box_flags.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 744 matching lines @@
 
 // static
 const AutomationURLResponse ExternalTabUITestMockClient::http_200(
     "",
     "HTTP/0.9 200\r\n\r\n",
     0,
     base::Time(),
     "",
     0);
 
-void ExternalTabUITestMockClient::OnMessageReceived(const IPC::Message& msg) {
+bool ExternalTabUITestMockClient::OnMessageReceived(const IPC::Message& msg) {
+  bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ExternalTabUITestMockClient, msg)
     IPC_MESSAGE_HANDLER(AutomationMsg_DidNavigate, OnDidNavigate)
     IPC_MESSAGE_HANDLER(AutomationMsg_ForwardMessageToExternalHost,
         OnForwardMessageToExternalHost)
     IPC_MESSAGE_HANDLER(AutomationMsg_RequestStart, OnRequestStart)
     IPC_MESSAGE_HANDLER(AutomationMsg_RequestRead, OnRequestRead)
     IPC_MESSAGE_HANDLER(AutomationMsg_RequestEnd, OnRequestEnd)
     IPC_MESSAGE_HANDLER(AutomationMsg_SetCookieAsync, OnSetCookieAsync)
     IPC_MESSAGE_HANDLER(AutomationMsg_TabLoaded, OnLoad)
     IPC_MESSAGE_HANDLER(AutomationMsg_AttachExternalTab, OnAttachExternalTab)
     IPC_MESSAGE_HANDLER(AutomationMsg_OpenURL, OnOpenURL)
     IPC_MESSAGE_HANDLER(AutomationMsg_NavigationStateChanged,
                         OnNavigationStateChanged)
+    IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
+  return handled;
 }
 
 scoped_refptr<TabProxy> ExternalTabUITestMockClient::CreateHostWindowAndTab(
     const ExternalTabSettings& settings) {
   EXPECT_THAT(settings.parent, testing::IsNull());
 
   host_window_ = CreateWindowW(L"Button", NULL, host_window_style_,
       CW_USEDEFAULT,  CW_USEDEFAULT, CW_USEDEFAULT,  CW_USEDEFAULT,
       NULL, NULL, NULL, NULL);
   EXPECT_THAT(host_window_, testing::Truly(::IsWindow));
@@ skipping 948 matching lines @@
   int diff_pixels_count = 0;
   for (int x = 0; x < img_size.width(); ++x) {
     for (int y = 0; y < img_size.height(); ++y) {
       if (*snapshot_bmp.getAddr32(x, y) != *reference_bmp.getAddr32(x, y)) {
         ++diff_pixels_count;
       }
     }
   }
   ASSERT_EQ(diff_pixels_count, 0);
 }