Make tile size a function of the device scale factor.

chrome/browser/about_flags.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/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 217 matching lines @@
     error_page::switches::kShowSavedCopy,
     error_page::switches::kEnableShowSavedCopyPrimary },
   { IDS_FLAGS_ENABLE_SHOW_SAVED_COPY_SECONDARY,
     error_page::switches::kShowSavedCopy,
     error_page::switches::kEnableShowSavedCopySecondary },
   { IDS_FLAGS_DISABLE_SHOW_SAVED_COPY,
     error_page::switches::kShowSavedCopy,
     error_page::switches::kDisableShowSavedCopy }
 };
 
-const FeatureEntry::Choice kDefaultTileWidthChoices[] = {
-  { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
-  { IDS_FLAGS_DEFAULT_TILE_WIDTH_SHORT,
-    switches::kDefaultTileWidth, "128"},
-  { IDS_FLAGS_DEFAULT_TILE_WIDTH_TALL,
-    switches::kDefaultTileWidth, "256"},
-  { IDS_FLAGS_DEFAULT_TILE_WIDTH_GRANDE,
-    switches::kDefaultTileWidth, "512"},
-  { IDS_FLAGS_DEFAULT_TILE_WIDTH_VENTI,
-    switches::kDefaultTileWidth, "1024"}
-};
-
 const FeatureEntry::Choice kDefaultTileHeightChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
   { IDS_FLAGS_DEFAULT_TILE_HEIGHT_SHORT,
     switches::kDefaultTileHeight, "128"},
   { IDS_FLAGS_DEFAULT_TILE_HEIGHT_TALL,
     switches::kDefaultTileHeight, "256"},
   { IDS_FLAGS_DEFAULT_TILE_HEIGHT_GRANDE,
     switches::kDefaultTileHeight, "512"},
   { IDS_FLAGS_DEFAULT_TILE_HEIGHT_VENTI,
     switches::kDefaultTileHeight, "1024"}
@@ skipping 808 matching lines @@
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableOfflineAutoReload,
                                switches::kDisableOfflineAutoReload)},
     {"enable-offline-auto-reload-visible-only",
      IDS_FLAGS_OFFLINE_AUTO_RELOAD_VISIBLE_ONLY_NAME,
      IDS_FLAGS_OFFLINE_AUTO_RELOAD_VISIBLE_ONLY_DESCRIPTION, kOsAll,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableOfflineAutoReloadVisibleOnly,
                                switches::kDisableOfflineAutoReloadVisibleOnly)},
     {"show-saved-copy", IDS_FLAGS_SHOW_SAVED_COPY_NAME,
      IDS_FLAGS_SHOW_SAVED_COPY_DESCRIPTION, kOsAll,
      MULTI_VALUE_TYPE(kShowSavedCopyChoices)},
-    {"default-tile-width", IDS_FLAGS_DEFAULT_TILE_WIDTH_NAME,
-     IDS_FLAGS_DEFAULT_TILE_WIDTH_DESCRIPTION, kOsAll,
-     MULTI_VALUE_TYPE(kDefaultTileWidthChoices)},
-    {"default-tile-height", IDS_FLAGS_DEFAULT_TILE_HEIGHT_NAME,
-     IDS_FLAGS_DEFAULT_TILE_HEIGHT_DESCRIPTION, kOsAll,
-     MULTI_VALUE_TYPE(kDefaultTileHeightChoices)},
     {"disable-gesture-requirement-for-media-playback",
      IDS_FLAGS_GESTURE_REQUIREMENT_FOR_MEDIA_PLAYBACK_NAME,
      IDS_FLAGS_GESTURE_REQUIREMENT_FOR_MEDIA_PLAYBACK_DESCRIPTION, kOsAll,
      SINGLE_DISABLE_VALUE_TYPE(
          switches::kDisableGestureRequirementForMediaPlayback)},
 #if defined(OS_CHROMEOS)
     {"enable-virtual-keyboard", IDS_FLAGS_VIRTUAL_KEYBOARD_NAME,
      IDS_FLAGS_VIRTUAL_KEYBOARD_DESCRIPTION, kOsCrOS,
      SINGLE_VALUE_TYPE(keyboard::switches::kEnableVirtualKeyboard)},
     {"virtual-keyboard-overscroll", IDS_FLAGS_VIRTUAL_KEYBOARD_OVERSCROLL_NAME,
@@ skipping 1065 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags