Extensions: Split extensions utility IPC messages into its own file.

chrome/test/base/testing_browser_process.cc

Index: chrome/test/base/testing_browser_process.cc
diff --git a/chrome/test/base/testing_browser_process.cc b/chrome/test/base/testing_browser_process.cc
index ebcfa8056b0054ca0a53c93766d88332b88f129b..0a0aff76006ba70102c8ddaf94e0e2efabdfd306 100644
--- a/chrome/test/base/testing_browser_process.cc
+++ b/chrome/test/base/testing_browser_process.cc
@@ -8,11 +8,9 @@
 #include "base/strings/string_util.h"
 #include "base/time/default_tick_clock.h"
 #include "build/build_config.h"
-#include "chrome/browser/apps/chrome_apps_client.h"
 #include "chrome/browser/background/background_mode_manager.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_process_impl.h"
-#include "chrome/browser/extensions/chrome_extensions_browser_client.h"
 #include "chrome/browser/printing/print_job_manager.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/test/base/testing_browser_process_platform_part.h"
@@ -40,6 +38,11 @@
 #include "components/policy/core/common/policy_service_stub.h"
 #endif  // defined(ENABLE_CONFIGURATION_POLICY)
 
+#if defined(ENABLE_EXTENSIONS)
+#include "chrome/browser/apps/chrome_apps_client.h"
+#include "chrome/browser/extensions/chrome_extensions_browser_client.h"
+#endif
+
 #if defined(ENABLE_FULL_PRINTING)
 #include "chrome/browser/printing/background_printing_manager.h"
 #include "chrome/browser/printing/print_preview_dialog_controller.h"
@@ -71,13 +74,13 @@ TestingBrowserProcess::TestingBrowserProcess()
       local_state_(NULL),
       io_thread_(NULL),
       system_request_context_(NULL),
-      platform_part_(new TestingBrowserProcessPlatformPart()),
-      extensions_browser_client_(
-          new extensions::ChromeExtensionsBrowserClient) {
+      platform_part_(new TestingBrowserProcessPlatformPart()) {
 #if defined(ENABLE_EXTENSIONS)
   apps::AppsClient::Set(ChromeAppsClient::GetInstance());
-#endif
+  extensions_browser_client_.reset(
+      new extensions::ChromeExtensionsBrowserClient);
   extensions::ExtensionsBrowserClient::Set(extensions_browser_client_.get());
+#endif
 }
 
 TestingBrowserProcess::~TestingBrowserProcess() {
@@ -85,7 +88,9 @@ TestingBrowserProcess::~TestingBrowserProcess() {
 #if defined(ENABLE_CONFIGURATION_POLICY)
   SetBrowserPolicyConnector(NULL);
 #endif
+#if defined(ENABLE_EXTENSIONS)
   extensions::ExtensionsBrowserClient::Set(NULL);
+#endif
 
   // Destructors for some objects owned by TestingBrowserProcess will use
   // g_browser_process if it is not NULL, so it must be NULL before proceeding.