Replace blink::WebDiscardableMemory with base::DiscardableMemory.

third_party/WebKit/Source/platform/SharedBufferTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 12 matching lines @@
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "platform/SharedBuffer.h"
 
-#include "platform/testing/TestingPlatformSupport.h"
-#include "public/platform/WebDiscardableMemory.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 #include <algorithm>
 #include <cstdlib>
 
 namespace blink {
 
 TEST(SharedBufferTest, getAsBytes)
 {
     char testData0[] = "Hello";
@@ skipping 80 matching lines @@
     // directly return the full size.
     const char* data;
     ASSERT_EQ(length, sharedBuffer->getSomeData(data, static_cast<size_t>(0u)));
 }
 
 TEST(SharedBufferTest, createPurgeable)
 {
     Vector<char> testData(30000);
     std::generate(testData.begin(), testData.end(), &std::rand);
 
-    TestingPlatformSupport::Config config;
-    config.hasDiscardableMemorySupport = true;
-    TestingPlatformSupport platformWithDiscardableMemorySupport(config);
-
     size_t length = testData.size();
     RefPtr<SharedBuffer> sharedBuffer = SharedBuffer::createPurgeable(testData.data(), length);
     ASSERT_EQ(length, sharedBuffer->size());
     // Merge the segments into a single vector.
     const char* data = sharedBuffer->data();
     ASSERT_EQ(0, memcmp(data, testData.data(), length));
 
     // Do another append + merge the segments again.
     size_t previousTestDataSize = testData.size();
     testData.resize(2 * previousTestDataSize);
     std::generate(testData.begin() + previousTestDataSize, testData.end(), &std::rand);
     sharedBuffer->append(testData.data() + previousTestDataSize, previousTestDataSize);
     ASSERT_EQ(0, memcmp(data, testData.data(), length));
 }
 
 } // namespace blink