Move ExtensionFunctionRegistry out of src/chrome

extensions/browser/extensions_browser_client.h

Index: extensions/browser/extensions_browser_client.h
diff --git a/extensions/browser/extensions_browser_client.h b/extensions/browser/extensions_browser_client.h
index 51cff43700e2c4c342599bb480584c0fa146a9c4..5cdf3a4e92635c6c7ca7a70c0b98f67cab426d37 100644
--- a/extensions/browser/extensions_browser_client.h
+++ b/extensions/browser/extensions_browser_client.h
@@ -11,6 +11,7 @@
 #include "base/memory/scoped_ptr.h"
 
 class CommandLine;
+class ExtensionFunctionRegistry;
 class PrefService;
 
 namespace content {
@@ -126,6 +127,10 @@ class ExtensionsBrowserClient {
   // ExtensionSystem::Get.
   virtual ExtensionSystemProvider* GetExtensionSystemFactory() = 0;
 
+  // Registers extension functions not belonging to the core extensions APIs.
+  virtual void RegisterAdditionalExtensionFunctions(
+      ExtensionFunctionRegistry* registry) const = 0;
+
   // Returns the single instance of |this|.
   static ExtensionsBrowserClient* Get();