Remove web_ui_util helper functions.

Remove web_ui_util::GetJsonResponseFromFirstArgumentInList() &
web_ui_util::GetJsonResponseFromArgumentList().

Associated review at: http://codereview.chromium.org/6574007/

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/6581041

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@76806 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 22 insertions, 9 deletions

diff --git a/chrome/browser/sync/sync_setup_flow.cc b/chrome/browser/sync/sync_setup_flow.cc
index 1ffe223..cf7cc6e 100644
--- a/chrome/browser/sync/sync_setup_flow.cc
+++ b/chrome/browser/sync/sync_setup_flow.cc
@@ -181,11 +181,15 @@ static void DisablePasswordSync(ProfileSyncService* service) {
 }
 
 void FlowHandler::HandleSubmitAuth(const ListValue* args) {
-  std::string json(web_ui_util::GetJsonResponseFromFirstArgumentInList(args));
-  std::string username, password, captcha, access_code;
+  std::string json;
+  if (!args->GetString(0, &json)) {
+    NOTREACHED() << "Could not read JSON argument";
+    return;
+  }
   if (json.empty())
     return;
 
+  std::string username, password, captcha, access_code;
   if (!GetAuthData(json, &username, &password, &captcha, &access_code)) {
     // The page sent us something that we didn't understand.
     // This probably indicates a programming error.
@@ -198,12 +202,15 @@ void FlowHandler::HandleSubmitAuth(const ListValue* args) {
 }
 
 void FlowHandler::HandleConfigure(const ListValue* args) {
-  std::string json(web_ui_util::GetJsonResponseFromFirstArgumentInList(args));
-  SyncConfiguration configuration;
-
+  std::string json;
+  if (!args->GetString(0, &json)) {
+    NOTREACHED() << "Could not read JSON argument";
+    return;
+  }
   if (json.empty())
     return;
 
+  SyncConfiguration configuration;
   if (!GetConfiguration(json, &configuration)) {
     // The page sent us something that we didn't understand.
     // This probably indicates a programming error.
@@ -218,8 +225,11 @@ void FlowHandler::HandleConfigure(const ListValue* args) {
 }
 
 void FlowHandler::HandlePassphraseEntry(const ListValue* args) {
-  std::string json(web_ui_util::GetJsonResponseFromFirstArgumentInList(args));
-
+  std::string json;
+  if (!args->GetString(0, &json)) {
+    NOTREACHED() << "Could not read JSON argument";
+    return;
+  }
   if (json.empty())
     return;
 
@@ -240,8 +250,11 @@ void FlowHandler::HandlePassphraseCancel(const ListValue* args) {
 }
 
 void FlowHandler::HandleFirstPassphrase(const ListValue* args) {
-  std::string json(web_ui_util::GetJsonResponseFromFirstArgumentInList(args));
-
+  std::string json;
+  if (!args->GetString(0, &json)) {
+    NOTREACHED() << "Could not read JSON argument";
+    return;
+  }
   if (json.empty())
     return;