Add LowMemoryNotification to the API on Android platform....

src/api.cc

 // Copyright 2009 the V8 project authors. 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2586 matching lines @@
   }
 }
 
 
 bool v8::V8::Dispose() {
   i::V8::TearDown();
   return true;
 }
 
 
-void  v8::V8::IdleNotification(bool is_high_priority) {
+void v8::V8::IdleNotification(bool is_high_priority) {
   i::V8::IdleNotification(is_high_priority);
 }
 
+
+void v8::V8::LowMemoryNotification() {
+#if defined(ANDROID)
+  i::Heap::CollectAllGarbage(true);
+#endif
+}
+
+
 const char* v8::V8::GetVersion() {
   static v8::internal::EmbeddedVector<char, 128> buffer;
   v8::internal::Version::GetString(buffer);
   return buffer.start();
 }
 
 
 static i::Handle<i::FunctionTemplateInfo>
     EnsureConstructor(i::Handle<i::ObjectTemplateInfo> templ) {
   if (templ->constructor()->IsUndefined()) {
@@ skipping 1129 matching lines @@
       reinterpret_cast<HandleScopeImplementer*>(storage);
   List<void**>* blocks_of_archived_thread = thread_local->Blocks();
   v8::ImplementationUtilities::HandleScopeData* handle_data_of_archived_thread =
       &thread_local->handle_scope_data_;
   Iterate(v, blocks_of_archived_thread, handle_data_of_archived_thread);
 
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal