Revert 176047

chrome/browser/extensions/api/tabs/execute_code_in_tab_function.cc

Index: chrome/browser/extensions/api/tabs/execute_code_in_tab_function.cc
===================================================================
--- chrome/browser/extensions/api/tabs/execute_code_in_tab_function.cc	(revision 176049)
+++ chrome/browser/extensions/api/tabs/execute_code_in_tab_function.cc	(working copy)
@@ -1,277 +0,0 @@
-// 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/tabs/execute_code_in_tab_function.h"
-
-#include "base/bind.h"
-#include "base/string_util.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/extensions/api/tabs/tabs.h"
-#include "chrome/browser/extensions/api/tabs/tabs_constants.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_tab_util.h"
-#include "chrome/browser/extensions/file_reader.h"
-#include "chrome/browser/extensions/script_executor.h"
-#include "chrome/browser/extensions/tab_helper.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/common/extensions/api/tabs.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_constants.h"
-#include "chrome/common/extensions/extension_file_util.h"
-#include "chrome/common/extensions/extension_l10n_util.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
-#include "chrome/common/extensions/extension_messages.h"
-#include "chrome/common/extensions/message_bundle.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/web_contents.h"
-#include "extensions/common/error_utils.h"
-
-using content::BrowserThread;
-using extensions::api::tabs::InjectDetails;
-using extensions::ErrorUtils;
-using extensions::ScriptExecutor;
-using extensions::UserScript;
-
-namespace keys = extensions::tabs_constants;
-
-ExecuteCodeInTabFunction::ExecuteCodeInTabFunction()
-    : execute_tab_id_(-1) {
-}
-
-ExecuteCodeInTabFunction::~ExecuteCodeInTabFunction() {}
-
-bool ExecuteCodeInTabFunction::HasPermission() {
-  if (Init() &&
-      extension_->HasAPIPermissionForTab(execute_tab_id_,
-                                         extensions::APIPermission::kTab)) {
-    return true;
-  }
-  return ExtensionFunction::HasPermission();
-}
-
-bool ExecuteCodeInTabFunction::RunImpl() {
-  EXTENSION_FUNCTION_VALIDATE(Init());
-
-  if (!details_->code.get() && !details_->file.get()) {
-    error_ = keys::kNoCodeOrFileToExecuteError;
-    return false;
-  }
-  if (details_->code.get() && details_->file.get()) {
-    error_ = keys::kMoreThanOneValuesError;
-    return false;
-  }
-
-  content::WebContents* contents = NULL;
-
-  // If |tab_id| is specified, look for the tab. Otherwise default to selected
-  // tab in the current window.
-  CHECK_GE(execute_tab_id_, 0);
-  if (!ExtensionTabUtil::GetTabById(execute_tab_id_, profile(),
-                                    include_incognito(),
-                                    NULL, NULL, &contents, NULL)) {
-    return false;
-  }
-
-  // NOTE: This can give the wrong answer due to race conditions, but it is OK,
-  // we check again in the renderer.
-  CHECK(contents);
-  if (!GetExtension()->CanExecuteScriptOnPage(contents->GetURL(),
-                                              contents->GetURL(),
-                                              execute_tab_id_,
-                                              NULL,
-                                              &error_)) {
-    return false;
-  }
-
-  if (details_->code.get())
-    return Execute(*details_->code);
-
-  CHECK(details_->file.get());
-  resource_ = GetExtension()->GetResource(*details_->file);
-
-  if (resource_.extension_root().empty() || resource_.relative_path().empty()) {
-    error_ = keys::kNoCodeOrFileToExecuteError;
-    return false;
-  }
-
-  scoped_refptr<FileReader> file_reader(new FileReader(
-      resource_, base::Bind(&ExecuteCodeInTabFunction::DidLoadFile, this)));
-  file_reader->Start();
-
-  return true;
-}
-
-void ExecuteCodeInTabFunction::OnExecuteCodeFinished(const std::string& error,
-                                                     int32 on_page_id,
-                                                     const GURL& on_url,
-                                                     const ListValue& result) {
-  if (!error.empty())
-    SetError(error);
-
-  SendResponse(error.empty());
-}
-
-void TabsExecuteScriptFunction::OnExecuteCodeFinished(const std::string& error,
-                                                      int32 on_page_id,
-                                                      const GURL& on_url,
-                                                      const ListValue& result) {
-  if (error.empty())
-    SetResult(result.DeepCopy());
-  ExecuteCodeInTabFunction::OnExecuteCodeFinished(error, on_page_id, on_url,
-                                                  result);
-}
-
-bool ExecuteCodeInTabFunction::Init() {
-  if (details_.get())
-    return true;
-
-  // |tab_id| is optional so it's ok if it's not there.
-  int tab_id = -1;
-  args_->GetInteger(0, &tab_id);
-
-  // |details| are not optional.
-  DictionaryValue* details_value = NULL;
-  if (!args_->GetDictionary(1, &details_value))
-    return false;
-  scoped_ptr<InjectDetails> details(new InjectDetails());
-  if (!InjectDetails::Populate(*details_value, details.get()))
-    return false;
-
-  // If the tab ID is -1 then it needs to be converted to the currently active
-  // tab's ID.
-  if (tab_id == -1) {
-    Browser* browser = GetCurrentBrowser();
-    if (!browser)
-      return false;
-    content::WebContents* web_contents = NULL;
-    if (!ExtensionTabUtil::GetDefaultTab(browser, &web_contents, &tab_id))
-      return false;
-  }
-
-  execute_tab_id_ = tab_id;
-  details_ = details.Pass();
-  return true;
-}
-
-void ExecuteCodeInTabFunction::DidLoadFile(bool success,
-                                           const std::string& data) {
-  std::string function_name = name();
-  const extensions::Extension* extension = GetExtension();
-
-  // Check if the file is CSS and needs localization.
-  if (success &&
-      function_name == TabsInsertCSSFunction::function_name() &&
-      extension != NULL &&
-      data.find(
-          extensions::MessageBundle::kMessageBegin) != std::string::npos) {
-    BrowserThread::PostTask(
-        BrowserThread::FILE, FROM_HERE,
-        base::Bind(&ExecuteCodeInTabFunction::LocalizeCSS, this,
-                   data,
-                   extension->id(),
-                   extension->path(),
-                   extension->default_locale()));
-  } else {
-    DidLoadAndLocalizeFile(success, data);
-  }
-}
-
-void ExecuteCodeInTabFunction::LocalizeCSS(
-    const std::string& data,
-    const std::string& extension_id,
-    const FilePath& extension_path,
-    const std::string& extension_default_locale) {
-  scoped_ptr<SubstitutionMap> localization_messages(
-      extension_file_util::LoadMessageBundleSubstitutionMap(
-          extension_path, extension_id, extension_default_locale));
-
-  // We need to do message replacement on the data, so it has to be mutable.
-  std::string css_data = data;
-  std::string error;
-  extensions::MessageBundle::ReplaceMessagesWithExternalDictionary(
-      *localization_messages, &css_data, &error);
-
-  // Call back DidLoadAndLocalizeFile on the UI thread. The success parameter
-  // is always true, because if loading had failed, we wouldn't have had
-  // anything to localize.
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&ExecuteCodeInTabFunction::DidLoadAndLocalizeFile, this,
-                 true, css_data));
-}
-
-void ExecuteCodeInTabFunction::DidLoadAndLocalizeFile(bool success,
-                                                      const std::string& data) {
-  if (success) {
-    if (!Execute(data))
-      SendResponse(false);
-  } else {
-#if defined(OS_POSIX)
-    // TODO(viettrungluu): bug: there's no particular reason the path should be
-    // UTF-8, in which case this may fail.
-    error_ = ErrorUtils::FormatErrorMessage(keys::kLoadFileError,
-        resource_.relative_path().value());
-#elif defined(OS_WIN)
-    error_ = ErrorUtils::FormatErrorMessage(keys::kLoadFileError,
-        WideToUTF8(resource_.relative_path().value()));
-#endif  // OS_WIN
-    SendResponse(false);
-  }
-}
-
-bool ExecuteCodeInTabFunction::Execute(const std::string& code_string) {
-  content::WebContents* contents = NULL;
-  Browser* browser = NULL;
-
-  bool success = ExtensionTabUtil::GetTabById(
-      execute_tab_id_, profile(), include_incognito(), &browser, NULL,
-      &contents, NULL) && contents && browser;
-
-  if (!success)
-    return false;
-
-  const extensions::Extension* extension = GetExtension();
-  if (!extension)
-    return false;
-
-  ScriptExecutor::ScriptType script_type = ScriptExecutor::JAVASCRIPT;
-  std::string function_name = name();
-  if (function_name == TabsInsertCSSFunction::function_name()) {
-    script_type = ScriptExecutor::CSS;
-  } else if (function_name != TabsExecuteScriptFunction::function_name()) {
-    NOTREACHED();
-  }
-
-  ScriptExecutor::FrameScope frame_scope =
-      details_->all_frames.get() && *details_->all_frames ?
-          ScriptExecutor::ALL_FRAMES :
-          ScriptExecutor::TOP_FRAME;
-
-  UserScript::RunLocation run_at = UserScript::UNDEFINED;
-  switch (details_->run_at) {
-    case InjectDetails::RUN_AT_NONE:
-    case InjectDetails::RUN_AT_DOCUMENT_IDLE:
-      run_at = UserScript::DOCUMENT_IDLE;
-      break;
-    case InjectDetails::RUN_AT_DOCUMENT_START:
-      run_at = UserScript::DOCUMENT_START;
-      break;
-    case InjectDetails::RUN_AT_DOCUMENT_END:
-      run_at = UserScript::DOCUMENT_END;
-      break;
-  }
-  CHECK_NE(UserScript::UNDEFINED, run_at);
-
-  extensions::TabHelper::FromWebContents(contents)->
-      script_executor()->ExecuteScript(
-          extension->id(),
-          script_type,
-          code_string,
-          frame_scope,
-          run_at,
-          ScriptExecutor::ISOLATED_WORLD,
-          base::Bind(&ExecuteCodeInTabFunction::OnExecuteCodeFinished, this));
-  return true;
-}