Remove some chrome dependencies from extensions app_window API

chrome/browser/extensions/api/extension_action/extension_action_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_action_api.h"
 
 #include "base/base64.h"
 #include "base/lazy_instance.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 10 matching lines @@
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/extension_action/action_info.h"
 #include "chrome/common/render_messages.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_function_registry.h"
 #include "extensions/browser/extension_host.h"
 #include "extensions/browser/extension_system.h"
+#include "extensions/browser/image_util.h"
 #include "extensions/common/error_utils.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_skia.h"
 
 using content::WebContents;
 
 namespace page_actions_keys = extension_page_actions_api_constants;
 
 namespace extensions {
@@ skipping 599 matching lines @@
       location_bar_controller()->NotifyChange();
 }
 
 void ExtensionActionFunction::NotifySystemIndicatorChange() {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_SYSTEM_INDICATOR_UPDATED,
       content::Source<Profile>(GetProfile()),
       content::Details<ExtensionAction>(extension_action_));
 }
 
-// static
-bool ExtensionActionFunction::ParseCSSColorString(
-    const std::string& color_string,
-    SkColor* result) {
-  std::string formatted_color;
-  // Check the string for incorrect formatting.
-  if (color_string.empty() || color_string[0] != '#')
-    return false;
-
-  // Convert the string from #FFF format to #FFFFFF format.
-  if (color_string.length() == 4) {
-    for (size_t i = 1; i < 4; ++i) {
-      formatted_color += color_string[i];
-      formatted_color += color_string[i];
-    }
-  } else if (color_string.length() == 7) {
-    formatted_color = color_string.substr(1, 6);
-  } else {
-    return false;
-  }
-
-  // Convert the string to an integer and make sure it is in the correct value
-  // range.
-  std::vector<uint8> color_bytes;
-  if (!base::HexStringToBytes(formatted_color, &color_bytes))
-    return false;
-
-  DCHECK_EQ(3u, color_bytes.size());
-  *result = SkColorSetARGB(255, color_bytes[0], color_bytes[1], color_bytes[2]);
-  return true;
-}
-
 bool ExtensionActionFunction::SetVisible(bool visible) {
   if (extension_action_->GetIsVisible(tab_id_) == visible)
     return true;
   extension_action_->SetIsVisible(tab_id_, visible);
   NotifyChange();
   return true;
 }
 
 TabHelper& ExtensionActionFunction::tab_helper() const {
   CHECK(contents_);
@@ skipping 87 matching lines @@
     int color_array[4] = {0};
     for (size_t i = 0; i < arraysize(color_array); ++i) {
       EXTENSION_FUNCTION_VALIDATE(list->GetInteger(i, &color_array[i]));
     }
 
     color = SkColorSetARGB(color_array[3], color_array[0],
                            color_array[1], color_array[2]);
   } else if (color_value->IsType(base::Value::TYPE_STRING)) {
     std::string color_string;
     EXTENSION_FUNCTION_VALIDATE(details_->GetString("color", &color_string));
-    if (!ParseCSSColorString(color_string, &color))
+    if (!image_util::ParseCSSColorString(color_string, &color))
       return false;
   }
 
   extension_action_->SetBadgeBackgroundColor(tab_id_, color);
   NotifyChange();
   return true;
 }
 
 bool ExtensionActionGetTitleFunction::RunExtensionAction() {
   SetResult(new base::StringValue(extension_action_->GetTitle(tab_id_)));
@@ skipping 151 matching lines @@
   return true;
 }
 
 bool EnablePageActionsFunction::RunImpl() {
   return SetPageActionEnabled(true);
 }
 
 bool DisablePageActionsFunction::RunImpl() {
   return SetPageActionEnabled(false);
 }