Clean up IconNTP-related code

chrome/renderer/searchbox/searchbox_extension.cc

 // Copyright 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/renderer/searchbox/searchbox_extension.h"
 
 #include <stddef.h>
 #include <stdint.h>
+#include <string>
+#include <vector>
 
-#include "base/command_line.h"
 #include "base/i18n/rtl.h"
 #include "base/json/string_escape.h"
 #include "base/macros.h"
-#include "base/metrics/field_trial.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/search/instant_types.h"
 #include "chrome/common/search/ntp_logging_events.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/renderer_resources.h"
 #include "chrome/renderer/searchbox/searchbox.h"
 #include "components/crx_file/id_util.h"
 #include "components/ntp_tiles/ntp_tile_source.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_view.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebScriptSource.h"
 #include "third_party/WebKit/public/web/WebView.h"
 #include "ui/base/resource/resource_bundle.h"
-#include "ui/base/ui_base_switches.h"
 #include "ui/base/window_open_disposition.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "url/gurl.h"
 #include "url/url_constants.h"
 #include "v8/include/v8.h"
 
 namespace {
 
 const char kCSSBackgroundImageFormat[] = "-webkit-image-set("
     "url(chrome-search://theme/IDR_THEME_NTP_BACKGROUND?%s) 1x, "
@@ skipping 18 matching lines @@
 
 const char kLTRHtmlTextDirection[] = "ltr";
 const char kRTLHtmlTextDirection[] = "rtl";
 
 // Converts a V8 value to a string16.
 base::string16 V8ValueToUTF16(v8::Local<v8::Value> v) {
   v8::String::Value s(v);
   return base::string16(reinterpret_cast<const base::char16*>(*s), s.length());
 }
 
-// Returns whether icon NTP is enabled by experiment.
-// TODO(huangs): Remove all 3 copies of this routine once Icon NTP launches.
-bool IsIconNTPEnabled() {
-  // Note: It's important to query the field trial state first, to ensure that
-  // UMA reports the correct group.
-  const std::string group_name = base::FieldTrialList::FindFullName("IconNTP");
-  using base::CommandLine;
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableIconNtp))
-    return false;
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableIconNtp))
-    return true;
-
-  return base::StartsWith(group_name, "Enabled", base::CompareCase::SENSITIVE);
-}
-
 // Converts string16 to V8 String.
 v8::Local<v8::String> UTF16ToV8String(v8::Isolate* isolate,
                                        const base::string16& s) {
   return v8::String::NewFromTwoByte(isolate,
                                     reinterpret_cast<const uint16_t*>(s.data()),
                                     v8::String::kNormalString,
                                     s.size());
 }
 
 // Converts std::string to V8 String.
@@ skipping 84 matching lines @@
   }
 
   // If the suggestion already has a favicon, we populate the element with it.
   if (!mv_item.favicon.spec().empty()) {
     obj->Set(v8::String::NewFromUtf8(isolate, "faviconUrl"),
              UTF8ToV8String(isolate, mv_item.favicon.spec()));
   }
 
   obj->Set(v8::String::NewFromUtf8(isolate, "tileSource"),
            v8::Integer::New(isolate, static_cast<int>(mv_item.source)));
-
-  if (IsIconNTPEnabled()) {
-    // Update website http://www.chromium.org/embeddedsearch when we make this
-    // permanent.
-    // Large icon size is 48px * window.devicePixelRatio. This is easier to set
-    // from JS, where IsIconNTPEnabled() is not available. So we add stubs
-    // here, and let JS fill in details.
-    obj->Set(v8::String::NewFromUtf8(isolate, "largeIconUrl"),
-             v8::String::NewFromUtf8(isolate, "chrome-search://large-icon/"));
-    obj->Set(v8::String::NewFromUtf8(isolate, "fallbackIconUrl"),
-        v8::String::NewFromUtf8(isolate, "chrome-search://fallback-icon/"));
-  }
   obj->Set(v8::String::NewFromUtf8(isolate, "title"),
            UTF16ToV8String(isolate, title));
   obj->Set(v8::String::NewFromUtf8(isolate, "domain"),
            UTF8ToV8String(isolate, mv_item.url.host()));
   obj->Set(v8::String::NewFromUtf8(isolate, "direction"),
            UTF8ToV8String(isolate, direction));
   obj->Set(v8::String::NewFromUtf8(isolate, "url"),
            UTF8ToV8String(isolate, mv_item.url.spec()));
   return obj;
 }
@@ skipping 912 matching lines @@
     ThrowInvalidParameters(args);
     return;
   }
 
   DVLOG(1) << render_frame << " UndoMostVisitedDeletion";
   SearchBox::Get(render_frame)
       ->UndoMostVisitedDeletion(args[0]->ToInteger()->Value());
 }
 
 }  // namespace extensions_v8