Continue https://android-git.corp.google.com/g/#change,34687,

We should use #if PLATFORM(ANDROID) now
diff --git a/WebCore/history/HistoryItem.cpp b/WebCore/history/HistoryItem.cpp
index d7eec4d..ba0764c 100644
--- a/WebCore/history/HistoryItem.cpp
+++ b/WebCore/history/HistoryItem.cpp
@@ -97,7 +97,7 @@
 {
     ASSERT(!m_cachedPage);
     iconDatabase()->releaseIconForPageURL(m_urlString);
-#ifdef ANDROID_HISTORY_CLIENT
+#if PLATFORM(ANDROID)
     if (m_bridge)
         m_bridge->detachHistoryItem();
 #endif