Fix strict mode violation in TabPersistentStore.cleanupPersistentData()

chrome/browser/android/thumbnail/thumbnail_cache.cc

 // Copyright 2014 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/android/thumbnail/thumbnail_cache.h"
 
 #include <algorithm>
 #include <cmath>
 #include <utility>
 
@@ skipping 206 matching lines @@
     thumbnail = approximation_cache_.Get(tab_id);
     if (thumbnail) {
       thumbnail->CreateUIResource();
       return thumbnail;
     }
   }
 
   return NULL;
 }
 
-void ThumbnailCache::RemoveFromDiskAtAndAboveId(TabId min_id) {
-  base::Closure remove_task =
-      base::Bind(&ThumbnailCache::RemoveFromDiskAtAndAboveIdTask,
-                 min_id);
-  content::BrowserThread::PostTask(
-      content::BrowserThread::FILE, FROM_HERE, remove_task);
-}
-
 void ThumbnailCache::InvalidateThumbnailIfChanged(TabId tab_id,
                                                   const GURL& url) {
   ThumbnailMetaDataMap::iterator meta_data_iter =
       thumbnail_meta_data_.find(tab_id);
   if (meta_data_iter == thumbnail_meta_data_.end()) {
     thumbnail_meta_data_[tab_id] = ThumbnailMetaData(base::Time(), url);
   } else if (meta_data_iter->second.url() != url) {
     Remove(tab_id);
   }
 }
@@ skipping 91 matching lines @@
   content::BrowserThread::PostTask(
       content::BrowserThread::FILE, FROM_HERE, task);
 }
 
 void ThumbnailCache::RemoveFromDiskTask(TabId tab_id) {
   base::FilePath file_path = GetFilePath(tab_id);
   if (base::PathExists(file_path))
     base::DeleteFile(file_path, false);
 }
 
-void ThumbnailCache::RemoveFromDiskAtAndAboveIdTask(TabId min_id) {
-  base::FilePath dir_path = GetCacheDirectory();
-  base::FileEnumerator enumerator(dir_path, false, base::FileEnumerator::FILES);
-  while (true) {
-    base::FilePath path = enumerator.Next();
-    if (path.empty())
-      break;
-    base::FileEnumerator::FileInfo info = enumerator.GetInfo();
-    TabId tab_id;
-    bool success = base::StringToInt(info.GetName().value(), &tab_id);
-    if (success && tab_id >= min_id)
-      base::DeleteFile(path, false);
-  }
-}
-
 void ThumbnailCache::WriteThumbnailIfNecessary(
     TabId tab_id,
     skia::RefPtr<SkPixelRef> compressed_data,
     float scale,
     const gfx::Size& content_size) {
   if (write_tasks_count_ >= write_queue_max_size_)
     return;
 
   write_tasks_count_++;
 
@@ skipping 560 matching lines @@
   dst_bitmap.eraseColor(0);
   SkAutoLockPixels dst_bitmap_lock(dst_bitmap);
 
   SkCanvas canvas(dst_bitmap);
   canvas.scale(new_scale, new_scale);
   canvas.drawBitmap(bitmap, 0, 0, NULL);
   dst_bitmap.setImmutable();
 
   return std::make_pair(dst_bitmap, new_scale * scale);
 }