Remove //chrome dependency from ExtensionPrefs

extensions/browser/test_extensions_browser_client.cc

Index: extensions/browser/test_extensions_browser_client.cc
diff --git a/extensions/browser/test_extensions_browser_client.cc b/extensions/browser/test_extensions_browser_client.cc
index 739450b8d4530d27b7a9be4bd828bbaf1275b684..fb5f9dd80ef824718da9e938b53c1d3f65bb5dc9 100644
--- a/extensions/browser/test_extensions_browser_client.cc
+++ b/extensions/browser/test_extensions_browser_client.cc
@@ -88,6 +88,10 @@ PrefService* TestExtensionsBrowserClient::GetPrefServiceForContext(
   return NULL;
 }
 
+void TestExtensionsBrowserClient::GetAdditionalExtensionPrefsObservers(
+    content::BrowserContext* context,
+    std::vector<ExtensionPrefs::Observer*>* observers) const {}
+
 bool TestExtensionsBrowserClient::DeferLoadingBackgroundHosts(
     BrowserContext* context) const {
   return false;
@@ -130,4 +134,8 @@ TestExtensionsBrowserClient::GetExtensionSystemFactory() {
 void TestExtensionsBrowserClient::RegisterExtensionFunctions(
     ExtensionFunctionRegistry* registry) const {}
 
+void TestExtensionsBrowserClient::AddExtensionPrefsObservers(

[James Cook, 2014/04/01 22:09:37]

delete this

[Ken Rockot(use gerrit already), 2014/04/01 22:41:37]

Done.

+    content::BrowserContext* context,
+    ExtensionPrefs* prefs) const {}
+
 }  // namespace extensions