Remove support for page_action.icons, and the legacy code surrounding it.

chrome/browser/extensions/api/extension_action/extension_page_actions_api.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/browser/extensions/api/extension_action/extension_page_actions_api.h"
 
 #include <string>
 
 #include "base/string_number_conversions.h"
 #include "chrome/browser/extensions/api/extension_action/extension_page_actions_api_constants.h"
@@ skipping 13 matching lines @@
 using content::NavigationEntry;
 
 namespace keys = extension_page_actions_api_constants;
 
 namespace {
 // Errors.
 const char kNoTabError[] = "No tab with id: *.";
 const char kNoPageActionError[] =
     "This extension has no page action specified.";
 const char kUrlNotActiveError[] = "This url is no longer active: *.";
-const char kIconIndexOutOfBounds[] = "Page action icon index out of bounds.";
-const char kNoIconSpecified[] = "Page action has no icons to show.";
 }
 
 PageActionsFunction::PageActionsFunction() {
 }
 
 PageActionsFunction::~PageActionsFunction() {
 }
 
 bool PageActionsFunction::SetPageActionEnabled(bool enable) {
   std::string extension_action_id;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &extension_action_id));
   DictionaryValue* action = NULL;
   EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(1, &action));
 
   int tab_id;
   EXTENSION_FUNCTION_VALIDATE(action->GetInteger(keys::kTabIdKey, &tab_id));
   std::string url;
   EXTENSION_FUNCTION_VALIDATE(action->GetString(keys::kUrlKey, &url));
 
   std::string title;
-  int icon_id = 0;
   if (enable) {
-    // Both of those are optional.
     if (action->HasKey(keys::kTitleKey))
       EXTENSION_FUNCTION_VALIDATE(action->GetString(keys::kTitleKey, &title));
-    if (action->HasKey(keys::kIconIdKey)) {
-      EXTENSION_FUNCTION_VALIDATE(action->GetInteger(keys::kIconIdKey,
-                                                     &icon_id));
-    }
   }
 
   ExtensionAction* page_action = GetExtension()->page_action();
   if (!page_action) {
     error_ = kNoPageActionError;
     return false;
   }
 
-  if (icon_id < 0 ||
-      static_cast<size_t>(icon_id) >= page_action->icon_paths()->size()) {
-    error_ = (icon_id == 0) ? kNoIconSpecified : kIconIndexOutOfBounds;
-    return false;
-  }
-
   // Find the TabContents that contains this tab id.
   TabContents* contents = NULL;
   bool result = ExtensionTabUtil::GetTabById(
       tab_id, profile(), include_incognito(), NULL, NULL, &contents, NULL);
   if (!result || !contents) {
     error_ = ExtensionErrorUtils::FormatErrorMessage(
         kNoTabError, base::IntToString(tab_id));
     return false;
   }
 
   // Make sure the URL hasn't changed.
   NavigationEntry* entry =
       contents->web_contents()->GetController().GetActiveEntry();
   if (!entry || url != entry->GetURL().spec()) {
     error_ = ExtensionErrorUtils::FormatErrorMessage(kUrlNotActiveError, url);
     return false;
   }
 
   // Set visibility and broadcast notifications that the UI should be updated.
   page_action->SetAppearance(
       tab_id, enable ? ExtensionAction::ACTIVE : ExtensionAction::INVISIBLE);
   page_action->SetTitle(tab_id, title);
-  page_action->SetIconIndex(tab_id, icon_id);
   extensions::TabHelper::FromWebContents(contents->web_contents())->
       location_bar_controller()->NotifyChange();
 
   return true;
 }
 
 bool EnablePageActionsFunction::RunImpl() {
   return SetPageActionEnabled(true);
 }
 
 bool DisablePageActionsFunction::RunImpl() {
   return SetPageActionEnabled(false);
 }