Get rid of distinction between below- and above-watermark in page allocation....

src/api.cc

 // Copyright 2010 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 3345 matching lines @@
 bool v8::V8::IdleNotification() {
   // Returning true tells the caller that it need not
   // continue to call IdleNotification.
   if (!i::V8::IsRunning()) return true;
   return i::V8::IdleNotification();
 }
 
 
 void v8::V8::LowMemoryNotification() {
   if (!i::V8::IsRunning()) return;
-  i::Heap::CollectAllGarbage(true);
+  i::Heap::CollectAllGarbage(i::Heap::kForceCompactionMask);
 }
 
 
 int v8::V8::ContextDisposedNotification() {
   if (!i::V8::IsRunning()) return 0;
   return i::Heap::NotifyContextDisposed();
 }
 
 
 const char* v8::V8::GetVersion() {
@@ skipping 803 matching lines @@
 
 
 void V8::ResumeProfilerEx(int flags, int tag) {
 #ifdef ENABLE_LOGGING_AND_PROFILING
   if (flags & PROFILER_MODULE_HEAP_SNAPSHOT) {
     // Snapshot mode: resume modules, perform GC, then pause only
     // those modules which haven't been started prior to making a
     // snapshot.
 
     // Make a GC prior to taking a snapshot.
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
     // Reset snapshot flag and CPU module flags.
     flags &= ~(PROFILER_MODULE_HEAP_SNAPSHOT | PROFILER_MODULE_CPU);
     const int current_flags = i::Logger::GetActiveProfilerModules();
     i::Logger::ResumeProfiler(flags, tag);
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
     i::Logger::PauseProfiler(~current_flags & flags, tag);
   } else {
     i::Logger::ResumeProfiler(flags, tag);
   }
 #endif
 }
 
 
 void V8::PauseProfilerEx(int flags, int tag) {
 #ifdef ENABLE_LOGGING_AND_PROFILING
@@ skipping 974 matching lines @@
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
   HandleScopeImplementer* thread_local =
       reinterpret_cast<HandleScopeImplementer*>(storage);
   thread_local->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal