Revert 267314 "Add LogoTracker to fetch search providers' logos."

> Add LogoTracker to fetch search providers' logos.
> 
> The LogoTracker keeps track of the logo for a search provider. The logo
> is downloaded, cached on disk, and periodically revalidated.
> 
> This code lives inside a component (search_provider_logos) so it can be
> used on both Android and iOS.
> 
> BUG=178922
> NOTRY=true
> 
> Review URL: https://codereview.chromium.org/162373002

TBR=newt@chromium.org

Review URL: https://codereview.chromium.org/257363005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@267319 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 93 deletions

diff --git a/components/search_provider_logos/google_logo_api.cc b/components/search_provider_logos/google_logo_api.cc
deleted file mode 100644
index 9a855cb..0000000
--- a/components/search_provider_logos/google_logo_api.cc
+++ /dev/null
@@ -1,93 +0,0 @@
-// 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 "components/search_provider_logos/google_logo_api.h"
-
-#include "base/base64.h"
-#include "base/json/json_reader.h"
-#include "base/memory/ref_counted_memory.h"
-#include "base/strings/string_util.h"
-#include "base/values.h"
-#include "net/base/url_util.h"
-
-namespace search_provider_logos {
-
-namespace {
-const char kResponsePreamble[] = ")]}'";
-}
-
-GURL GoogleAppendFingerprintToLogoURL(const GURL& logo_url,
-                                      const std::string& fingerprint) {
-  return net::AppendQueryParameter(logo_url, "async", "es_dfp:" + fingerprint);
-}
-
-scoped_ptr<EncodedLogo> GoogleParseLogoResponse(
-    const scoped_ptr<std::string>& response,
-    base::Time response_time) {
-  // Google doodles are sent as JSON with a prefix. Example:
-  //   )]}' {"update":{"logo":{
-  //     "data": "/9j/4QAYRXhpZgAASUkqAAgAAAAAAAAAAAAAAP/...",
-  //     "mime_type": "image/png",
-  //     "fingerprint": "db063e32",
-  //     "target": "http://www.google.com.au/search?q=Wilbur+Christiansen",
-  //     "alt": "Wilbur Christiansen's Birthday"
-  //     "time_to_live": 1389304799
-  //   }}}
-
-  // The response may start with )]}'. Ignore this.
-  base::StringPiece response_sp(*response);
-  if (response_sp.starts_with(kResponsePreamble))
-    response_sp.remove_prefix(strlen(kResponsePreamble));
-
-  scoped_ptr<base::Value> value(base::JSONReader::Read(response_sp));
-  if (!value.get())
-    return scoped_ptr<EncodedLogo>();
-
-  // The important data lives inside several nested dictionaries:
-  // {"update": {"logo": { "mime_type": ..., etc } } }
-  const base::DictionaryValue* outer_dict;
-  if (!value->GetAsDictionary(&outer_dict))
-    return scoped_ptr<EncodedLogo>();
-  const base::DictionaryValue* update_dict;
-  if (!outer_dict->GetDictionary("update", &update_dict))
-    return scoped_ptr<EncodedLogo>();
-  const base::DictionaryValue* logo_dict;
-  if (!update_dict->GetDictionary("logo", &logo_dict))
-    return scoped_ptr<EncodedLogo>();
-
-  scoped_ptr<EncodedLogo> logo(new EncodedLogo());
-
-  std::string encoded_image_base64;
-  if (logo_dict->GetString("data", &encoded_image_base64)) {
-    // Data is optional, since we may be revalidating a cached logo.
-    base::RefCountedString* encoded_image_string = new base::RefCountedString();
-    if (!base::Base64Decode(encoded_image_base64,
-                            &encoded_image_string->data()))
-      return scoped_ptr<EncodedLogo>();
-    logo->encoded_image = encoded_image_string;
-    if (!logo_dict->GetString("mime_type", &logo->metadata.mime_type))
-      return scoped_ptr<EncodedLogo>();
-  }
-
-  // Don't check return values since these fields are optional.
-  logo_dict->GetString("target", &logo->metadata.on_click_url);
-  logo_dict->GetString("fingerprint", &logo->metadata.fingerprint);
-  logo_dict->GetString("alt", &logo->metadata.alt_text);
-
-  base::TimeDelta time_to_live;
-  int time_to_live_ms;
-  if (logo_dict->GetInteger("time_to_live", &time_to_live_ms)) {
-    time_to_live = base::TimeDelta::FromMilliseconds(
-        std::min(static_cast<int64>(time_to_live_ms), kMaxTimeToLiveMS));
-    logo->metadata.can_show_after_expiration = false;
-  } else {
-    time_to_live = base::TimeDelta::FromMilliseconds(kMaxTimeToLiveMS);
-    logo->metadata.can_show_after_expiration = true;
-  }
-  logo->metadata.expiration_time = response_time + time_to_live;
-
-  return logo.Pass();
-}
-
-}  // namespace search_provider_logos