Move ExtensionsProcessManager to src/extensions, part 2

chrome/browser/extensions/chrome_extensions_browser_client.h

Index: chrome/browser/extensions/chrome_extensions_browser_client.h
diff --git a/chrome/browser/extensions/chrome_extensions_browser_client.h b/chrome/browser/extensions/chrome_extensions_browser_client.h
index 13cd64db3162cfe8ea80c533dc1f772ac4611a06..275e4a1692045b62b3d2cc199645c8c7b4dc40a2 100644
--- a/chrome/browser/extensions/chrome_extensions_browser_client.h
+++ b/chrome/browser/extensions/chrome_extensions_browser_client.h
@@ -8,6 +8,8 @@
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/lazy_instance.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/extensions/chrome_notification_observer.h"
 #include "extensions/browser/extensions_browser_client.h"
 
 namespace content {
@@ -46,6 +48,9 @@ class ChromeExtensionsBrowserClient : public ExtensionsBrowserClient {
  private:
   friend struct base::DefaultLazyInstanceTraits<ChromeExtensionsBrowserClient>;
 
+  // Observer for Chrome-specific notifications.
+  ChromeNotificationObserver notification_observer_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeExtensionsBrowserClient);
 };