Revert "Move ExtensionCache to //extensions"

extensions/browser/test_extensions_browser_client.h

Index: extensions/browser/test_extensions_browser_client.h
diff --git a/extensions/browser/test_extensions_browser_client.h b/extensions/browser/test_extensions_browser_client.h
index 632ed934a0e3b6d58c0ea6389a88cf235272a778..b3c517e9fbb99fbae1eac4dcd6e79166a85c8491 100644
--- a/extensions/browser/test_extensions_browser_client.h
+++ b/extensions/browser/test_extensions_browser_client.h
@@ -7,7 +7,6 @@
 
 #include "base/compiler_specific.h"
 #include "extensions/browser/extensions_browser_client.h"
-#include "extensions/browser/updater/extension_cache.h"
 
 namespace extensions {
 
@@ -26,9 +25,6 @@ class TestExtensionsBrowserClient : public ExtensionsBrowserClient {
   void set_extension_system_factory(ExtensionSystemProvider* factory) {
     extension_system_factory_ = factory;
   }
-  void set_extension_cache(scoped_ptr<ExtensionCache> extension_cache) {
-    extension_cache_ = extension_cache.Pass();
-  }
 
   // Associates an incognito context with |main_context_|.
   void SetIncognitoContext(content::BrowserContext* incognito_context);
@@ -89,7 +85,6 @@ class TestExtensionsBrowserClient : public ExtensionsBrowserClient {
       const std::string& event_name,
       scoped_ptr<base::ListValue> args) override;
   virtual net::NetLog* GetNetLog() override;
-  virtual ExtensionCache* GetExtensionCache() override;
 
  private:
   content::BrowserContext* main_context_;       // Not owned.
@@ -101,8 +96,6 @@ class TestExtensionsBrowserClient : public ExtensionsBrowserClient {
   // Not owned, defaults to NULL.
   ExtensionSystemProvider* extension_system_factory_;
 
-  scoped_ptr<ExtensionCache> extension_cache_;
-
   DISALLOW_COPY_AND_ASSIGN(TestExtensionsBrowserClient);
 };