Reduce the number of #includes of compiler.h.

src/serialize.cc

Index: src/serialize.cc
diff --git a/src/serialize.cc b/src/serialize.cc
index b7277b5da563927fcd755ab97f7104feca1106e0..93882cbf0a9ba24b740eae0d87a9e7447d768658 100644
--- a/src/serialize.cc
+++ b/src/serialize.cc
@@ -9,6 +9,7 @@
 #include "src/base/platform/platform.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
+#include "src/compiler.h"
 #include "src/deoptimizer.h"
 #include "src/execution.h"
 #include "src/global-handles.h"
@@ -2651,4 +2652,19 @@ Vector<const uint32_t> SerializedCodeData::CodeStubKeys() const {
   return Vector<const uint32_t>(reinterpret_cast<const uint32_t*>(start),
                                 GetHeaderValue(kNumCodeStubKeysOffset));
 }
+
+
+SerializedCodeData::SerializedCodeData(ScriptData* data)
+    : SerializedData(const_cast<byte*>(data->data()), data->length()) {}
+
+
+SerializedCodeData* SerializedCodeData::FromCachedData(ScriptData* cached_data,
+                                                       String* source) {
+  DisallowHeapAllocation no_gc;
+  SerializedCodeData* scd = new SerializedCodeData(cached_data);
+  if (scd->IsSane(source)) return scd;
+  cached_data->Reject();
+  delete scd;
+  return NULL;
+}
 } }  // namespace v8::internal