Replace blink::WebDiscardableMemory with base::DiscardableMemory.

third_party/WebKit/Source/platform/testing/TestingPlatformSupport.cpp

 /*
  * Copyright (C) 2014 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 16 matching lines @@
  * (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/testing/TestingPlatformSupport.h"
 
 #if !OS(ANDROID)
 #include "device/battery/battery_monitor_impl.h"
 #endif
 
-#include <cstring>
-
 namespace blink {
 
-TestingDiscardableMemory::TestingDiscardableMemory(size_t size) : m_data(size), m_isLocked(true)
-{
-}
-
-TestingDiscardableMemory::~TestingDiscardableMemory()
-{
-}
-
-bool TestingDiscardableMemory::lock()
-{
-    ASSERT(!m_isLocked);
-    m_isLocked = true;
-    return false;
-}
-
-void* TestingDiscardableMemory::data()
-{
-    ASSERT(m_isLocked);
-    return m_data.data();
-}
-
-void TestingDiscardableMemory::unlock()
-{
-    ASSERT(m_isLocked);
-    m_isLocked = false;
-    // Force eviction to catch clients not correctly checking the return value of lock().
-    memset(m_data.data(), 0, m_data.size());
-}
-
-WebMemoryAllocatorDump* TestingDiscardableMemory::createMemoryAllocatorDump(const WebString& name, WebProcessMemoryDump* dump) const
-{
-    ASSERT_NOT_REACHED();
-    return nullptr;
-}
-
 TestingPlatformSupport::TestingPlatformSupport()
     : TestingPlatformSupport(TestingPlatformSupport::Config())
 {
 }
 
 TestingPlatformSupport::TestingPlatformSupport(const Config& config)
     : m_config(config)
     , m_oldPlatform(Platform::current())
 {
     ASSERT(m_oldPlatform);
     Platform::setCurrentPlatformForTesting(this);
 }
 
 TestingPlatformSupport::~TestingPlatformSupport()
 {
     Platform::setCurrentPlatformForTesting(m_oldPlatform);
 }
 
-WebDiscardableMemory* TestingPlatformSupport::allocateAndLockDiscardableMemory(size_t bytes)
-{
-    return !m_config.hasDiscardableMemorySupport ? 0 : new TestingDiscardableMemory(bytes);
-}
-
 WebString TestingPlatformSupport::defaultLocale()
 {
     return WebString::fromUTF8("en-US");
 }
 
 WebCompositorSupport* TestingPlatformSupport::compositorSupport()
 {
     return m_config.compositorSupport;
 }
 
@@ skipping 133 matching lines @@
 {
     return m_mockWebThread.get();
 }
 
 TestingPlatformMockScheduler* TestingPlatformSupportWithMockScheduler::mockWebScheduler()
 {
     return m_mockWebThread->mockWebScheduler();
 }
 
 } // namespace blink