Create signin component and componentize TokenWebData.

components/signin/core/webdata/token_web_data.h

Index: components/signin/core/webdata/token_web_data.h
diff --git a/chrome/browser/webdata/token_web_data.h b/components/signin/core/webdata/token_web_data.h
similarity index 79%
rename from chrome/browser/webdata/token_web_data.h
rename to components/signin/core/webdata/token_web_data.h
index 03147824b587470e2464b7485520f587fded91fc..aaafdc0fc25abf789c9caa88b58774dd8bfaa5a8 100644
--- a/chrome/browser/webdata/token_web_data.h
+++ b/components/signin/core/webdata/token_web_data.h
@@ -6,8 +6,8 @@
 // information and MUST not be extracted, overwritten or modified except
 // through Chromium defined APIs.
 
-#ifndef CHROME_BROWSER_WEBDATA_TOKEN_WEB_DATA_H__
-#define CHROME_BROWSER_WEBDATA_TOKEN_WEB_DATA_H__
+#ifndef COMPONENTS_SIGNIN_CORE_WEBDATA_TOKEN_WEB_DATA_H__
+#define COMPONENTS_SIGNIN_CORE_WEBDATA_TOKEN_WEB_DATA_H__
 
 #include <map>
 #include <string>
@@ -22,25 +22,26 @@
 #include "components/webdata/common/web_data_service_consumer.h"
 #include "components/webdata/common/web_database.h"
 
+namespace base {
+class MessageLoopProxy;
+}
+
 class TokenWebDataBackend;
 class WebDatabaseService;
 class WebDataServiceConsumer;
 
-namespace content {
-class BrowserContext;
-}
-
 // TokenWebData is a data repository for storage of authentication tokens.
 
 class TokenWebData : public WebDataServiceBase {
  public:
-  // Retrieve a WebDataService for the given context.
-  static scoped_refptr<TokenWebData> FromBrowserContext(
-      content::BrowserContext* context);
-
   TokenWebData(scoped_refptr<WebDatabaseService> wdbs,
+               scoped_refptr<base::MessageLoopProxy> ui_thread,
+               scoped_refptr<base::MessageLoopProxy> db_thread,
                const ProfileErrorCallback& callback);
 
+  TokenWebData(scoped_refptr<base::MessageLoopProxy> ui_thread,
+               scoped_refptr<base::MessageLoopProxy> db_thread);
+
   // Set a token to use for a specified service.
   void SetTokenForService(const std::string& service,
                           const std::string& token);
@@ -66,4 +67,4 @@ class TokenWebData : public WebDataServiceBase {
   DISALLOW_COPY_AND_ASSIGN(TokenWebData);
 };
 
-#endif  // CHROME_BROWSER_WEBDATA_TOKEN_WEB_DATA_H__
+#endif  // COMPONENTS_SIGNIN_CORE_WEBDATA_TOKEN_WEB_DATA_H__