Move chrome.documentScan API to extensions/

chrome/browser/extensions/api/document_scan/document_scan_api.cc

Index: chrome/browser/extensions/api/document_scan/document_scan_api.cc
diff --git a/chrome/browser/extensions/api/document_scan/document_scan_api.cc b/chrome/browser/extensions/api/document_scan/document_scan_api.cc
deleted file mode 100644
index af3f7da950921bc15226684eab7bd9a75ce224ec..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/api/document_scan/document_scan_api.cc
+++ /dev/null
@@ -1,125 +0,0 @@
-// Copyright 2014 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/document_scan/document_scan_api.h"
-
-#include <algorithm>
-
-#include "content/public/browser/browser_thread.h"
-#include "extensions/browser/extension_system.h"
-
-using content::BrowserThread;
-
-namespace {
-
-const char kScannerNotAvailable[] = "Scanner not available";
-const char kUserGestureRequiredError[] =
-    "User gesture required to perform scan";
-
-}  // namespace
-
-namespace extensions {
-
-namespace api {
-
-DocumentScanScanFunction::DocumentScanScanFunction()
-    : document_scan_interface_(DocumentScanInterface::CreateInstance()) {}
-
-DocumentScanScanFunction::~DocumentScanScanFunction() {}
-
-bool DocumentScanScanFunction::Prepare() {
-  set_work_thread_id(BrowserThread::FILE);
-  params_ = document_scan::Scan::Params::Create(*args_);
-  EXTENSION_FUNCTION_VALIDATE(params_.get());
-  return true;
-}
-
-void DocumentScanScanFunction::AsyncWorkStart() {
-  if (!user_gesture()) {
-    error_ = kUserGestureRequiredError;
-    AsyncWorkCompleted();
-    return;
-  }
-
-  // Add a reference, which is balanced in OnScannerListReceived to keep the
-  // object around and allow the callback to be invoked.
-  AddRef();
-
-  document_scan_interface_->ListScanners(
-      base::Bind(&DocumentScanScanFunction::OnScannerListReceived,
-                 base::Unretained(this)));
-}
-
-void DocumentScanScanFunction::OnScannerListReceived(
-    const std::vector<DocumentScanInterface::ScannerDescription>&
-        scanner_descriptions,
-    const std::string& error) {
-  std::vector<DocumentScanInterface::ScannerDescription>::const_iterator
-      scanner_i = scanner_descriptions.begin();
-
-  // If no |scanner_descriptions| is empty, this is an error.  If no
-  // MIME types are specified, the first scanner is chosen.  If MIME
-  // types are specified, the first scanner that supports one of these
-  // MIME types is selected.
-  if (params_->options.mime_types) {
-    std::vector<std::string>& mime_types = *params_->options.mime_types.get();
-    for (; scanner_i != scanner_descriptions.end(); ++scanner_i) {
-      if (std::find(mime_types.begin(), mime_types.end(),
-                    scanner_i->image_mime_type) != mime_types.end()) {
-        break;
-      }
-    }
-  }
-
-  if (scanner_i == scanner_descriptions.end()) {
-    error_ = kScannerNotAvailable;
-    AsyncWorkCompleted();
-
-    // Balance the AddRef in AsyncWorkStart().
-    Release();
-    return;
-  }
-
-  // TODO(pstew): Call a delegate method here to select a scanner and options.
-
-  document_scan_interface_->Scan(
-      scanner_i->name,
-      DocumentScanInterface::kScanModeColor,
-      0,
-      base::Bind(&DocumentScanScanFunction::OnResultsReceived,
-                 base::Unretained(this)));
-}
-
-void DocumentScanScanFunction::OnResultsReceived(
-    const std::string& scanned_image,
-    const std::string& mime_type,
-    const std::string& error) {
-
-  // TODO(pstew): Enlist a delegate to display received scan in the UI
-  //  and confirm that this scan should be sent to the caller.  If this
-  // is a multi-page scan, provide a means for adding additional scanned
-  // images up to the requested limit.
-
-  if (error.empty()) {
-    document_scan::ScanResults scan_results;
-    if (!scanned_image.empty()) {
-      scan_results.data_urls.push_back(scanned_image);
-    }
-    scan_results.mime_type = mime_type;
-    results_ = document_scan::Scan::Results::Create(scan_results);
-  }
-  error_ = error;
-  AsyncWorkCompleted();
-
-  // Balance the AddRef in AsyncWorkStart().
-  Release();
-}
-
-bool DocumentScanScanFunction::Respond() {
-  return error_.empty();
-}
-
-}  // namespace api
-
-}  // namespace extensions