Rename OwnPtr::clear() to reset() in platform/.

third_party/WebKit/Source/platform/WebThreadSupportingGC.cpp

Index: third_party/WebKit/Source/platform/WebThreadSupportingGC.cpp
diff --git a/third_party/WebKit/Source/platform/WebThreadSupportingGC.cpp b/third_party/WebKit/Source/platform/WebThreadSupportingGC.cpp
index a0d4ad3bf5eeb280bffdb72a93bf93799282a70e..6c7f2cdc59892948860ed27437d02258636d9f61 100644
--- a/third_party/WebKit/Source/platform/WebThreadSupportingGC.cpp
+++ b/third_party/WebKit/Source/platform/WebThreadSupportingGC.cpp
@@ -42,7 +42,7 @@ WebThreadSupportingGC::~WebThreadSupportingGC()
     if (ThreadState::current() && m_owningThread) {
         // WebThread's destructor blocks until all the tasks are processed.
         SafePointScope scope(BlinkGC::HeapPointersOnStack);
-        m_owningThread.clear();
+        m_owningThread.reset();
     }
 }
 
@@ -58,7 +58,7 @@ void WebThreadSupportingGC::shutdown()
     ThreadState::current()->releaseStaticPersistentNodes();
 #endif
     // Ensure no posted tasks will run from this point on.
-    m_gcTaskRunner.clear();
+    m_gcTaskRunner.reset();
 
     // Shutdown the thread (via its scheduler) only when the thread is created
     // and is owned by this instance.