Add way to remove entries from autocomplete

chrome/browser/webdata/web_data_service.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/webdata/web_data_service.h"
 
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/search_engines/template_url.h"
@@ skipping 121 matching lines @@
   ScheduleTask(
       NewRunnableMethod(this,
                         &WebDataService::GetFormValuesForElementNameImpl,
                         request,
                         name,
                         prefix,
                         limit));
   return request->GetHandle();
 }
 
+void WebDataService::RemoveFormValueForElementName(
+    const std::wstring& name, const std::wstring& value) {
+  GenericRequest2<std::wstring, std::wstring>* request =
+      new GenericRequest2<std::wstring, std::wstring>(this,
+                                                      GetNextRequestHandle(),
+                                                      NULL,
+                                                      name, value);
+  RegisterRequest(request);
+  ScheduleTask(
+      NewRunnableMethod(this,
+                        &WebDataService::RemoveFormValueForElementNameImpl,
+                        request));
+}
+
 void WebDataService::RequestCompleted(Handle h) {
   pending_lock_.Acquire();
   RequestMap::iterator i = pending_requests_.find(h);
   if (i == pending_requests_.end()) {
     NOTREACHED() << "Request completed called for an unknown request";
     pending_lock_.Release();
     return;
   }
 
   // Take ownership of the request object and remove it from the map.
@@ skipping 418 matching lines @@
 void WebDataService::RemoveFormElementsAddedBetweenImpl(
     GenericRequest2<Time, Time>* request) {
   if (db_ && !request->IsCancelled()) {
     if (db_->RemoveFormElementsAddedBetween(request->GetArgument1(),
                                             request->GetArgument2()))
       ScheduleCommit();
   }
   request->RequestComplete();
 }
 
+void WebDataService::RemoveFormValueForElementNameImpl(
+    GenericRequest2<std::wstring, std::wstring>* request) {
+  if (db_ && !request->IsCancelled()) {
+    if (db_->RemoveFormElement(request->GetArgument1(),
+                               request->GetArgument2()))
+      ScheduleCommit();
+  }
+  request->RequestComplete();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 //
 // Web Apps implementation.
 //
 ////////////////////////////////////////////////////////////////////////////////
 
 void WebDataService::SetWebAppImageImpl(
     GenericRequest2<GURL, SkBitmap>* request) {
   if (db_ && !request->IsCancelled()) {
     db_->SetWebAppImage(request->GetArgument1(), request->GetArgument2());
@@ skipping 82 matching lines @@
   Task* t = NewRunnableMethod(s,
                               &WebDataService::RequestCompleted,
                               handle_);
   message_loop_->PostTask(FROM_HERE, t);
 }
 
 int WebDataService::GetNextRequestHandle() {
   AutoLock l(pending_lock_);
   return ++next_request_handle_;
 }