Cleanups in GlobalTileManager and BrowserViewRenderer

android_webview/browser/global_tile_manager_unittest.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 <algorithm>
 #include "android_webview/browser/global_tile_manager.h"
 #include "android_webview/browser/global_tile_manager_client.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
@@ skipping 72 matching lines @@
   EXPECT_LE(total_tiles, kNumTilesLimit);
 }
 
 TEST_F(GlobalTileManagerTest, RandomizedStressRequests) {
   MockGlobalTileManagerClient clients[100];
   size_t index[100];
   for (size_t i = 0; i < 100; i++) {
     index[i] = i;
   }
 
+  // Fix the seed so that tests are reproducible.
+  std::srand(1);
   // Simulate a random request order of clients.
   std::random_shuffle(&index[0], &index[99]);
 
   for (size_t i = 0; i < 100; i++) {
     size_t j = index[i];
     manager()->RequestTiles(clients[j].GetTileRequest(), clients[j].GetKey());
     manager()->DidUse(clients[j].GetKey());
   }
 
   size_t total_tiles = 0;
@@ skipping 45 matching lines @@
   // Ensure that the total tiles are divided evenly among all clients.
   for (size_t i = 0; i < 10; i++) {
     EXPECT_EQ(clients[i].GetNumTiles(), kNumTilesLimit / 10);
   }
 
   // Ensure that the inactive tiles are evicted.
   for (size_t i = 11; i < 20; i++) {
     EXPECT_EQ(clients[i].GetNumTiles(), 0u);
   }
 }