Compress sources of JS libraries in addition to the snapshot.

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index ecd5101e5ef4b4d5c6f27489a4845758c641ebdb..2ae40dd34f789e5700d5fc5be5c341671b7b8aad 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -38,6 +38,7 @@
 #include "global-handles.h"
 #include "heap-profiler.h"
 #include "messages.h"
+#include "natives.h"
 #include "parser.h"
 #include "platform.h"
 #include "profile-generator-inl.h"
@@ -323,6 +324,8 @@ StartupData::CompressionAlgorithm V8::GetCompressedStartupDataAlgorithm() {
 enum CompressedStartupDataItems {
   kSnapshot = 0,
   kSnapshotContext,
+  kLibraries,
+  kExperimentalLibraries,
   kCompressedStartupDataCount
 };
 
@@ -347,6 +350,21 @@ void V8::GetCompressedStartupData(StartupData* compressed_data) {
   compressed_data[kSnapshotContext].compressed_size =
       i::Snapshot::context_size();
   compressed_data[kSnapshotContext].raw_size = i::Snapshot::context_raw_size();
+
+  i::Vector<const i::byte> libraries_source = i::Natives::GetScriptsSource();
+  compressed_data[kLibraries].data =
+      reinterpret_cast<const char*>(libraries_source.start());
+  compressed_data[kLibraries].compressed_size = libraries_source.length();
+  compressed_data[kLibraries].raw_size = i::Natives::GetRawScriptsSize();
+
+  i::Vector<const i::byte> exp_libraries_source =
+      i::ExperimentalNatives::GetScriptsSource();
+  compressed_data[kExperimentalLibraries].data =
+      reinterpret_cast<const char*>(exp_libraries_source.start());
+  compressed_data[kExperimentalLibraries].compressed_size =
+      exp_libraries_source.length();
+  compressed_data[kExperimentalLibraries].raw_size =
+      i::ExperimentalNatives::GetRawScriptsSize();
 #endif
 }
 
@@ -362,6 +380,20 @@ void V8::SetDecompressedStartupData(StartupData* decompressed_data) {
   i::Snapshot::set_context_raw_data(
       reinterpret_cast<const i::byte*>(
           decompressed_data[kSnapshotContext].data));
+
+  ASSERT_EQ(i::Natives::GetRawScriptsSize(),
+            decompressed_data[kLibraries].raw_size);
+  i::Vector<const char> libraries_source(
+      decompressed_data[kLibraries].data,
+      decompressed_data[kLibraries].raw_size);
+  i::Natives::SetRawScriptsSource(libraries_source);
+
+  ASSERT_EQ(i::ExperimentalNatives::GetRawScriptsSize(),
+            decompressed_data[kExperimentalLibraries].raw_size);
+  i::Vector<const char> exp_libraries_source(
+      decompressed_data[kExperimentalLibraries].data,
+      decompressed_data[kExperimentalLibraries].raw_size);
+  i::ExperimentalNatives::SetRawScriptsSource(exp_libraries_source);
 #endif
 }