Move ExtensionsProcessManager to src/extensions, part 2

chrome/browser/extensions/chrome_extensions_browser_client.cc

Index: chrome/browser/extensions/chrome_extensions_browser_client.cc
diff --git a/chrome/browser/extensions/chrome_extensions_browser_client.cc b/chrome/browser/extensions/chrome_extensions_browser_client.cc
index f2d2c8fe6ea59917437f376193c751a06cf35029..417f81da5dae97599f5faf675cd7c91836634856 100644
--- a/chrome/browser/extensions/chrome_extensions_browser_client.cc
+++ b/chrome/browser/extensions/chrome_extensions_browser_client.cc
@@ -6,6 +6,7 @@
 
 #include "base/command_line.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/extensions/chrome_notification_observer.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser_finder.h"
@@ -20,7 +21,8 @@ static base::LazyInstance<ChromeExtensionsBrowserClient> g_client =
 
 }  // namespace
 
-ChromeExtensionsBrowserClient::ChromeExtensionsBrowserClient() {}
+ChromeExtensionsBrowserClient::ChromeExtensionsBrowserClient()
+    : notification_observer_(new ChromeNotificationObserver) {}
 
 ChromeExtensionsBrowserClient::~ChromeExtensionsBrowserClient() {}