Change manifest handler interface to always (implicitly) pass the entire manifest to handlers.

chrome/common/extensions/api/speech/tts_engine_manifest_handler.cc

 // Copyright (c) 2012 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 "chrome/common/extensions/api/speech/tts_engine_manifest_handler.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
+#include "chrome/common/extensions/manifest.h"
 #include "extensions/common/error_utils.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace keys = extension_manifest_keys;
 namespace errors = extension_manifest_errors;
 
 namespace {
 
 struct TtsVoices : public extensions::Extension::ManifestData {
   TtsVoices() {}
@@ skipping 16 matching lines @@
       extension->GetManifestData(keys::kTtsVoices));
   return info ? &info->voices : NULL;
 }
 
 TtsEngineManifestHandler::TtsEngineManifestHandler() {
 }
 
 TtsEngineManifestHandler::~TtsEngineManifestHandler() {
 }
 
-bool TtsEngineManifestHandler::Parse(const base::Value* value,
-                                     Extension* extension, string16* error) {
+bool TtsEngineManifestHandler::Parse(Extension* extension, string16* error) {
   scoped_ptr<TtsVoices> info(new TtsVoices);
   const DictionaryValue* tts_dict = NULL;
-  if (!value->GetAsDictionary(&tts_dict)) {
+  if (!extension->manifest()->GetDictionary(keys::kTtsEngine, &tts_dict)) {
     *error = ASCIIToUTF16(errors::kInvalidTts);
     return false;
   }
 
   if (!tts_dict->HasKey(keys::kTtsVoices))
     return true;
 
   const ListValue* tts_voices = NULL;
   if (!tts_dict->GetList(keys::kTtsVoices, &tts_voices)) {
     *error = ASCIIToUTF16(errors::kInvalidTtsVoices);
@@ skipping 66 matching lines @@
     }
 
     info->voices.push_back(voice_data);
   }
 
   extension->SetManifestData(keys::kTtsVoices, info.release());
   return true;
 }
 
 }  // namespace extensions