Make some functions that are hit during renderer startup available for inlining

src/snapshot/snapshot-source-sink.cc

Index: src/snapshot/snapshot-source-sink.cc
diff --git a/src/snapshot/snapshot-source-sink.cc b/src/snapshot/snapshot-source-sink.cc
index 66a14bc599769b2582b5acd8c127450c70b91bd6..5399fe11f28ed539db842b85717292d87b6867fb 100644
--- a/src/snapshot/snapshot-source-sink.cc
+++ b/src/snapshot/snapshot-source-sink.cc
@@ -12,12 +12,6 @@
 namespace v8 {
 namespace internal {
 
-void SnapshotByteSource::CopyRaw(byte* to, int number_of_bytes) {
-  memcpy(to, data_ + position_, number_of_bytes);
-  position_ += number_of_bytes;
-}
-
-
 void SnapshotByteSink::PutInt(uintptr_t integer, const char* description) {
   DCHECK(integer < 1 << 30);
   integer <<= 2;