tests: Use runPendingTasks instead of WebThread::enterRunLoop()/exitRunLoop()

Source/core/fetch/MemoryCacheTest.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 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 "config.h"
 #include "core/fetch/MemoryCache.h"
 
 #include "core/fetch/MockImageResourceClient.h"
 #include "core/fetch/RawResource.h"
 #include "core/fetch/ResourcePtr.h"
+#include "core/testing/UnitTestHelpers.h"
 #include "platform/network/ResourceRequest.h"
 #include "public/platform/Platform.h"
 #include "wtf/OwnPtr.h"
 
 #include <gtest/gtest.h>
 
 namespace blink {
 
 class MemoryCacheTest : public ::testing::Test {
 public:
@@ skipping 195 matching lines @@
     class Task2 : public blink::WebThread::Task {
     public:
         Task2(unsigned liveSizeWithoutDecode)
             : m_liveSizeWithoutDecode(liveSizeWithoutDecode) { }
 
         virtual void run() override
         {
             // Next task: now, the live resource was evicted.
             ASSERT_EQ(0u, memoryCache()->deadSize());
             ASSERT_EQ(m_liveSizeWithoutDecode, memoryCache()->liveSize());
-            blink::Platform::current()->currentThread()->exitRunLoop();
         }
 
     private:
         unsigned m_liveSizeWithoutDecode;
     };
 
 
     blink::Platform::current()->currentThread()->postTask(FROM_HERE, new Task1(cachedLiveResource, cachedDeadResource));
     blink::Platform::current()->currentThread()->postTask(FROM_HERE, new Task2(cachedLiveResource->encodedSize() + cachedLiveResource->overheadSize()));
-    blink::Platform::current()->currentThread()->enterRunLoop();
+    testing::runPendingTasks();
     cachedLiveResource->removeClient(&client);
 }
 
 // Verified that when ordering a prune in a runLoop task, the prune
 // is deferred to the end of the task.
 TEST_F(MemoryCacheTest, LiveResourceEvictionAtEndOfTask_Basic)
 {
     Resource* cachedDeadResource =
         new Resource(ResourceRequest("hhtp://foo"), Resource::Raw);
     ResourcePtr<Resource> cachedLiveResource =
@@ skipping 299 matching lines @@
 
     WillBeHeapVector<Member<Resource>> resources = memoryCache()->resourcesForURL(url);
     EXPECT_EQ(2u, resources.size());
 
     memoryCache()->evictResources();
     EXPECT_FALSE(memoryCache()->contains(resource1.get()));
     EXPECT_FALSE(memoryCache()->contains(resource3.get()));
 }
 
 } // namespace