Revert 194782 "Native api to get OAuth2 access tokens in Print P..."

trunk/src/chrome/browser/ui/webui/print_preview/print_preview_handler.cc

Index: trunk/src/chrome/browser/ui/webui/print_preview/print_preview_handler.cc
===================================================================
--- trunk/src/chrome/browser/ui/webui/print_preview/print_preview_handler.cc	(revision 194799)
+++ trunk/src/chrome/browser/ui/webui/print_preview/print_preview_handler.cc	(working copy)
@@ -35,8 +35,6 @@
 #include "chrome/browser/printing/print_view_manager.h"
 #include "chrome/browser/printing/printer_manager_dialog.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/signin/oauth2_token_service.h"
-#include "chrome/browser/signin/oauth2_token_service_factory.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/chrome_select_file_policy.h"
@@ -78,9 +76,6 @@
 
 namespace {
 
-// The cloud print OAuth2 scope.
-const char kCloudPrintAuth[] = "https://www.googleapis.com/auth/cloudprint";
-
 enum UserActionBuckets {
   PRINT_TO_PRINTER,
   PRINT_TO_PDF,
@@ -241,77 +236,6 @@
 
 }  // namespace
 
-class PrintPreviewHandler::AccessTokenService
-    : public OAuth2TokenService::Consumer {
- public:
-  typedef const base::Callback<void(const std::string&,
-                                    const std::string&)> CompleteonCallback;
-
-  explicit AccessTokenService(const CompleteonCallback& callback)
-      : callback_(callback) {
-  }
-
-  void AddOAuth2TokenService(const std::string& type,
-                             OAuth2TokenService* service) {
-    services_.push_back(make_linked_ptr(new Service()));
-    services_.back()->type = type;
-    services_.back()->service = service;
-  }
-
-  void RequestToken(const std::string& type) {
-    for (Services::iterator i = services_.begin();
-         i != services_.end(); ++i) {
-      Service& service = **i;
-      if (service.type == type) {
-        if (service.request)  // Already in progress.
-          return;
-        OAuth2TokenService::ScopeSet oauth_scopes;
-        oauth_scopes.insert(kCloudPrintAuth);
-        service.request = service.service->StartRequest(oauth_scopes, this);
-        return;
-      }
-    }
-    callback_.Run(type, std::string());  // Unknown type.
-  }
-
-  void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
-                         const std::string& access_token,
-                         const base::Time& expiration_time) OVERRIDE {
-    OnServiceResponce(request, access_token);
-  }
-
-  void OnGetTokenFailure(const OAuth2TokenService::Request* request,
-                         const GoogleServiceAuthError& error) OVERRIDE {
-    OnServiceResponce(request, std::string());
-  }
-
- private:
-  void OnServiceResponce(const OAuth2TokenService::Request* request,
-                         const std::string& access_token) {
-    for (Services::iterator i = services_.begin();
-         i != services_.end(); ++i) {
-      Service& service = **i;
-      if (service.request == request) {
-        service.request.reset();
-        callback_.Run(service.type, access_token);
-        return;
-      }
-    }
-    NOTREACHED();
-  }
-
-  struct Service {
-    std::string type;
-    OAuth2TokenService* service;
-    scoped_ptr<OAuth2TokenService::Request> request;
-  };
-  typedef std::vector<linked_ptr<Service> > Services;
-  Services services_;
-  CompleteonCallback callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(AccessTokenService);
-};
-
 // static
 printing::StickySettings* PrintPreviewHandler::GetStickySettings() {
   return sticky_settings.Pointer();
@@ -351,9 +275,6 @@
   web_ui()->RegisterMessageCallback("signIn",
       base::Bind(&PrintPreviewHandler::HandleSignin,
                  base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("getAccessToken",
-      base::Bind(&PrintPreviewHandler::HandleGetAccessToken,
-                 base::Unretained(this)));
   web_ui()->RegisterMessageCallback("manageCloudPrinters",
       base::Bind(&PrintPreviewHandler::HandleManageCloudPrint,
                  base::Unretained(this)));
@@ -664,29 +585,6 @@
       base::Bind(&PrintPreviewHandler::OnSigninComplete, AsWeakPtr()));
 }
 
-void PrintPreviewHandler::HandleGetAccessToken(const base::ListValue* args) {
-  std::string type;
-  if (!args->GetString(0, &type))
-    return;
-  if (!token_service_)
-    InitTokenService();
-  token_service_->RequestToken(type);
-}
-
-void PrintPreviewHandler::InitTokenService() {
-  token_service_.reset(
-      new AccessTokenService(base::Bind(&PrintPreviewHandler::SendAccessToken,
-                                        base::Unretained(this))));
-  Profile* profile = Profile::FromWebUI(web_ui());
-  OAuth2TokenService* profile_service =
-      OAuth2TokenServiceFactory::GetForProfile(profile);
-  if (profile_service) {
-    token_service_->AddOAuth2TokenService("profile", profile_service);
-    // TODO(vitalybuka): Replace with source of device tokens.
-    token_service_->AddOAuth2TokenService("device", profile_service);
-  }
-}
-
 void PrintPreviewHandler::PrintWithCloudPrintDialog(
     const base::RefCountedBytes* data,
     const string16& title) {
@@ -885,13 +783,6 @@
   print_preview_ui->OnClosePrintPreviewDialog();
 }
 
-void PrintPreviewHandler::SendAccessToken(const std::string& type,
-                                          const std::string& access_token) {
-  VLOG(1) << "Get getAccessToken finished";
-  web_ui()->CallJavascriptFunction("onDidGetAccessToken", StringValue(type),
-                                   StringValue(access_token));
-}
-
 void PrintPreviewHandler::SendPrinterCapabilities(
     const DictionaryValue& settings_info) {
   VLOG(1) << "Get printer capabilities finished";