Clean-up: Remove the very last few uses of base::Time from src/media/

media/base/seekable_buffer_unittest.cc

 // Copyright (c) 2012 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 "base/logging.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/rand_util.h"
 #include "base/time/time.h"
 #include "media/base/data_buffer.h"
 #include "media/base/seekable_buffer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media {
 
 class SeekableBufferTest : public testing::Test {
  public:
   SeekableBufferTest() : buffer_(kBufferSize, kBufferSize) {
   }
 
  protected:
   static const int kDataSize = 409600;
   static const int kBufferSize = 4096;
   static const int kWriteSize = 512;
 
   virtual void SetUp() {
-    // Setup seed.
-    int seed = static_cast<int32>(base::Time::Now().ToInternalValue());
-    srand(seed);
-    VLOG(1) << "Random seed: " << seed;
-
-    // Creates a test data.
+    // Create random test data samples.
     for (int i = 0; i < kDataSize; i++)
-      data_[i] = static_cast<char>(rand());
+      data_[i] = static_cast<char>(base::RandInt(0, 255));
   }
 
   int GetRandomInt(int maximum) {
-    return rand() % maximum + 1;
+    return base::RandInt(0, maximum);

[miu, 2014/01/10 22:53:54]

BTW--I know the exact replacement here should be:

  base::RandInt(1, maximum)

...but it's reasonable to be testing 0-byte reads, seeks, and writes too.  I've
confirmed all the operations and tests behave when zero is returned.

   }
 
   SeekableBuffer buffer_;
   uint8 data_[kDataSize];
   uint8 write_buffer_[kDataSize];
 };
 
 TEST_F(SeekableBufferTest, RandomReadWrite) {
   int write_position = 0;
   int read_position = 0;
@@ skipping 296 matching lines @@
     EXPECT_EQ(tests[i].expected_time, actual) << "With test = { start:"
         << tests[i].first_time_useconds << ", duration:"
         << tests[i].duration_useconds << ", consumed:"
         << tests[i].consume_bytes << " }\n";
 
     buffer_.Clear();
   }
 }
 
 }  // namespace media