Add the basic infrastructure for the Behavior feature type: BehaviorFeature and

chrome/common/extensions/chrome_extensions_client.cc

Index: chrome/common/extensions/chrome_extensions_client.cc
diff --git a/chrome/common/extensions/chrome_extensions_client.cc b/chrome/common/extensions/chrome_extensions_client.cc
index 4f2fbc2d0ca94f5e13193f50a9c652feb4bbd183..7c889c7b6af750b8253bae449d8b1196742a8e76 100644
--- a/chrome/common/extensions/chrome_extensions_client.cc
+++ b/chrome/common/extensions/chrome_extensions_client.cc
@@ -37,6 +37,7 @@
 #include "extensions/common/features/manifest_feature.h"
 #include "extensions/common/features/permission_feature.h"
 #include "extensions/common/features/simple_feature.h"
+#include "extensions/common/features/switch_feature.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/manifest_handler.h"
 #include "extensions/common/manifest_handlers/icons_handler.h"
@@ -144,6 +145,9 @@ scoped_ptr<FeatureProvider> ChromeExtensionsClient::CreateFeatureProvider(
   } else if (name == "permission") {
     provider.reset(new BaseFeatureProvider(source->dictionary(),
                                            CreateFeature<PermissionFeature>));
+  } else if (name == "switch") {
+    provider.reset(new BaseFeatureProvider(source->dictionary(),
+                                           CreateFeature<SwitchFeature>));
   } else {
     NOTREACHED();
   }
@@ -164,6 +168,8 @@ ChromeExtensionsClient::CreateFeatureProviderSource(
   } else if (name == "permission") {
     source->LoadJSON(IDR_EXTENSION_PERMISSION_FEATURES);
     source->LoadJSON(IDR_CHROME_EXTENSION_PERMISSION_FEATURES);
+  } else if (name == "switch") {
+    source->LoadJSON(IDR_EXTENSION_SWITCH_FEATURES);
   } else {
     NOTREACHED();
     source.reset();