Replace ToLower calls to the new format

Replaces
  base::StringToLowerASCII(string)
with
  base::ToLowerASCII(string)
This form is 1:1 search and replace.

A bunch of places did something like this:
  std::string foo(something_else);
  base::StringToLowerASCII(&foo);
which became:
  foo = base::ToLowerASCII(something_else);

A couple places really wanted in-place changing and they became:
  foo = base::ToLowerASCII(foo);

There was pretty trivial cleanup in chrome_main_delegate.cc chrome/test/chromedriver/server/http_handler.cc (fix indenting).

There was more cleanup in:
chrome/installer/util/language_selector.cc and components/plugins/renderer/mobile_youtube_plugin.cc

In components/history/core/browser/url_utils.cc I removed the call since it was calling ToLower on the host name out of a GURL, which is already guaranteed to be lower-case.

NOPRESUBMIT=true
(due to touching code with wstrings)

Review URL: https://codereview.chromium.org/1279123004

Cr-Commit-Position: refs/heads/master@{#342659}

2 files changed, 3 insertions, 3 deletions

diff --git a/components/crx_file/crx_file.cc b/components/crx_file/crx_file.cc
index b081fec..ace6ee1 100644
--- a/components/crx_file/crx_file.cc
+++ b/components/crx_file/crx_file.cc
@@ -61,7 +61,7 @@ CrxFile::ValidateError FinalizeHash(const std::string& extension_id,
   uint8 output[crypto::kSHA256Length] = {};
   hash->Finish(output, sizeof(output));
   std::string hash_base64 =
-      base::StringToLowerASCII(base::HexEncode(output, sizeof(output)));
+      base::ToLowerASCII(base::HexEncode(output, sizeof(output)));
   if (hash_base64 != expected_hash) {
     LOG(ERROR) << "Hash check failed for extension: " << extension_id
                << ", expected " << expected_hash << ", got " << hash_base64;
diff --git a/components/crx_file/id_util.cc b/components/crx_file/id_util.cc
index 6209cb4..d628aa1 100644
--- a/components/crx_file/id_util.cc
+++ b/components/crx_file/id_util.cc
@@ -40,7 +40,7 @@ std::string GenerateId(const std::string& input) {
   uint8 hash[kIdSize];
   crypto::SHA256HashString(input, hash, sizeof(hash));
   std::string output =
-      base::StringToLowerASCII(base::HexEncode(hash, sizeof(hash)));
+      base::ToLowerASCII(base::HexEncode(hash, sizeof(hash)));
   ConvertHexadecimalToIDAlphabet(&output);
 
   return output;
@@ -83,7 +83,7 @@ bool IdIsValid(const std::string& id) {
 
   // We only support lowercase IDs, because IDs can be used as URL components
   // (where GURL will lowercase it).
-  std::string temp = base::StringToLowerASCII(id);
+  std::string temp = base::ToLowerASCII(id);
   for (size_t i = 0; i < temp.size(); i++)
     if (temp[i] < 'a' || temp[i] > 'p')
       return false;