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

chrome/browser/ui/views/browser_action_view.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/ui/views/browser_action_view.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/api/commands/command_service.h"
 #include "chrome/browser/extensions/api/commands/command_service_factory.h"
 #include "chrome/browser/extensions/extension_context_menu_model.h"
@@ skipping 198 matching lines @@
   }
 
   menu_runner_.reset();
   SetButtonNotPushed();
   context_menu_ = NULL;
 }
 
 void BrowserActionButton::OnImageLoaded(const gfx::Image& image,
                                         const std::string& extension_id,
                                         int index) {
-  browser_action_->CacheIcon(browser_action_->default_icon_path(), image);
+  browser_action_->CacheIcon(image);
 
   // Call back to UpdateState() because a more specific icon might have been set
   // while the load was outstanding.
   UpdateState();
 }
 
 void BrowserActionButton::UpdateState() {
   int tab_id = delegate_->GetCurrentTabId();
   if (tab_id < 0)
     return;
@@ skipping 180 matching lines @@
 
   extensions::Command browser_action_command;
   if (!only_if_active || !command_service->GetBrowserActionCommand(
           extension_->id(),
           extensions::CommandService::ACTIVE_ONLY,
           &browser_action_command,
           NULL)) {
     GetFocusManager()->UnregisterAccelerator(*keybinding_.get(), this);
   }
 }