Make ChildProcessHost be used through an interface in content/public, instead of by inheritence.

chrome/browser/automation/testing_automation_provider.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/browser/automation/testing_automation_provider.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 99 matching lines @@
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_action.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "chrome/common/extensions/url_pattern_set.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/plugin_service.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/interstitial_page.h"
-#include "content/common/child_process_host.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
+#include "content/public/common/child_process_host.h"
 #include "content/public/common/common_param_traits.h"
 #include "net/base/cookie_store.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #include "ui/base/events.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/base/ui_base_types.h"
 #include "webkit/glue/webdropdata.h"
 #include "webkit/plugins/webplugininfo.h"
 
 #if defined(ENABLE_CONFIGURATION_POLICY)
 #include "chrome/browser/policy/browser_policy_connector.h"
 #include "chrome/browser/policy/configuration_policy_provider.h"
 #include "chrome/browser/policy/policy_map.h"
 #include "policy/policy_constants.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
 #include "chrome/browser/ui/webui/active_downloads_ui.h"
 #else
 #include "chrome/browser/download/download_shelf.h"
 #endif
 
 using automation_util::SendErrorIfModalDialogActive;
 using content::BrowserThread;
+using content::ChildProcessHost;
 
 namespace {
 
 void SendMouseClick(int flags) {
   ui_controls::MouseButton button = ui_controls::LEFT;
   if ((flags & ui::EF_LEFT_BUTTON_DOWN) ==
       ui::EF_LEFT_BUTTON_DOWN) {
     button = ui_controls::LEFT;
   } else if ((flags & ui::EF_RIGHT_BUTTON_DOWN) ==
              ui::EF_RIGHT_BUTTON_DOWN) {
@@ skipping 6402 matching lines @@
 
   Send(reply_message_);
   redirect_query_ = 0;
   reply_message_ = NULL;
 }
 
 void TestingAutomationProvider::OnRemoveProvider() {
   if (g_browser_process)
     g_browser_process->GetAutomationProviderList()->RemoveProvider(this);
 }