Make HPACK static table static and immutable.

net/spdy/hpack_static_table.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/spdy/hpack_static_table.h"
+
+#include "base/logging.h"
+#include "net/spdy/hpack_constants.h"
+#include "net/spdy/hpack_entry.h"
+
+namespace net {
+
+HpackStaticTable::HpackStaticTable() {}
+
+HpackStaticTable::~HpackStaticTable() {}
+
+void HpackStaticTable::Initialize(const HpackStaticEntry* static_entry_table,
+                                  size_t static_entry_count) {
+  CHECK(!IsInitialized());
+
+  int total_insertions = 0;
+  for (const HpackStaticEntry* it = static_entry_table;
+       it != static_entry_table + static_entry_count; ++it) {
+    static_entries_.push_back(HpackEntry(StringPiece(it->name, it->name_len),
+                                         StringPiece(it->value, it->value_len),
+                                         true,  // is_static
+                                         total_insertions));
+    CHECK(static_index_.insert(&static_entries_.back()).second);
+
+    ++total_insertions;
+  }
+}
+
+bool HpackStaticTable::IsInitialized() const {
+  return !static_entries_.empty();
+}
+
+}  // namespace net