Remove touch_drag_drop web preference. It was added in r184242 for tests to be

webkit/glue/webpreferences.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 "webkit/glue/webpreferences.h"
 
 #include "base/basictypes.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebSize.h"
@@ skipping 87 matching lines @@
       enable_scroll_animator(false),
       visual_word_movement_enabled(false),
       css_sticky_position_enabled(false),
       css_shaders_enabled(false),
       css_grid_layout_enabled(false),
       lazy_layout_enabled(false),
       touch_enabled(false),
       device_supports_touch(false),
       device_supports_mouse(true),
       touch_adjustment_enabled(true),
-      touch_drag_drop_enabled(false),
       fixed_position_creates_stacking_context(false),
       sync_xhr_in_documents_enabled(true),
       deferred_image_decoding_enabled(false),
       should_respect_image_orientation(false),
       number_of_cpu_cores(1),
 #if defined(OS_MACOSX)
       editing_behavior(webkit_glue::EDITING_BEHAVIOR_MAC),
 #elif defined(OS_WIN)
       editing_behavior(webkit_glue::EDITING_BEHAVIOR_WIN),
 #elif defined(OS_ANDROID)
@@ skipping 320 matching lines @@
 
   settings->setCSSStickyPositionEnabled(prefs.css_sticky_position_enabled);
   settings->setExperimentalCSSCustomFilterEnabled(prefs.css_shaders_enabled);
   settings->setExperimentalCSSGridLayoutEnabled(prefs.css_grid_layout_enabled);
 
   WebRuntimeFeatures::enableLazyLayout(prefs.lazy_layout_enabled);
   WebRuntimeFeatures::enableTouch(prefs.touch_enabled);
   settings->setDeviceSupportsTouch(prefs.device_supports_touch);
   settings->setDeviceSupportsMouse(prefs.device_supports_mouse);
   settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled);
-  settings->setTouchDragDropEnabled(prefs.touch_drag_drop_enabled);
 
   settings->setFixedPositionCreatesStackingContext(
       prefs.fixed_position_creates_stacking_context);
 
   settings->setDeferredImageDecodingEnabled(
       prefs.deferred_image_decoding_enabled);
   settings->setShouldRespectImageOrientation(
       prefs.should_respect_image_orientation);
 
   settings->setUnsafePluginPastingEnabled(false);
@@ skipping 41 matching lines @@
 COMPILE_ASSERT_MATCHING_ENUMS(
     webkit_glue::EDITING_BEHAVIOR_MAC, WebSettings::EditingBehaviorMac);
 COMPILE_ASSERT_MATCHING_ENUMS(
     webkit_glue::EDITING_BEHAVIOR_WIN, WebSettings::EditingBehaviorWin);
 COMPILE_ASSERT_MATCHING_ENUMS(
     webkit_glue::EDITING_BEHAVIOR_UNIX, WebSettings::EditingBehaviorUnix);
 COMPILE_ASSERT_MATCHING_ENUMS(
     webkit_glue::EDITING_BEHAVIOR_ANDROID, WebSettings::EditingBehaviorAndroid);
 
 }  // namespace webkit_glue