Remove default-tile-width/height from chrome://flags

The internal settings still exist, and we haven't really needed to
adjust these from flags for some time.

Change-Id: I74823663e497832f8accb5c0d922cf9ed017e997
Reviewed-on: https://chromium-review.googlesource.com/c/1342937Reviewed-by: Victor Miura <vmiura@chromium.org>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Commit-Queue: enne <enne@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609880}

chrome/browser/about_flags.cc

@@ -338,28 +338,6 @@ const FeatureEntry::Choice kShowSavedCopyChoices[] = {
      error_page::switches::kShowSavedCopy,
      error_page::switches::kDisableShowSavedCopy}};
 
-const FeatureEntry::Choice kDefaultTileWidthChoices[] = {
-    {flags_ui::kGenericExperimentChoiceDefault, "", ""},
-    {flag_descriptions::kDefaultTileWidthShort, switches::kDefaultTileWidth,
-     "128"},
-    {flag_descriptions::kDefaultTileWidthTall, switches::kDefaultTileWidth,
-     "256"},
-    {flag_descriptions::kDefaultTileWidthGrande, switches::kDefaultTileWidth,
-     "512"},
-    {flag_descriptions::kDefaultTileWidthVenti, switches::kDefaultTileWidth,
-     "1024"}};
-
-const FeatureEntry::Choice kDefaultTileHeightChoices[] = {
-    {flags_ui::kGenericExperimentChoiceDefault, "", ""},
-    {flag_descriptions::kDefaultTileHeightShort, switches::kDefaultTileHeight,
-     "128"},
-    {flag_descriptions::kDefaultTileHeightTall, switches::kDefaultTileHeight,
-     "256"},
-    {flag_descriptions::kDefaultTileHeightGrande, switches::kDefaultTileHeight,
-     "512"},
-    {flag_descriptions::kDefaultTileHeightVenti, switches::kDefaultTileHeight,
-     "1024"}};
-
 #if defined(OS_WIN)
 const FeatureEntry::Choice kUseAngleChoices[] = {
     {flag_descriptions::kUseAngleDefault, "", ""},
@@ -1873,12 +1851,6 @@ const FeatureEntry kFeatureEntries[] = {
     {"show-saved-copy", flag_descriptions::kShowSavedCopyName,
      flag_descriptions::kShowSavedCopyDescription, kOsAll,
      MULTI_VALUE_TYPE(kShowSavedCopyChoices)},
-    {"default-tile-width", flag_descriptions::kDefaultTileWidthName,
-     flag_descriptions::kDefaultTileWidthDescription, kOsAll,
-     MULTI_VALUE_TYPE(kDefaultTileWidthChoices)},
-    {"default-tile-height", flag_descriptions::kDefaultTileHeightName,
-     flag_descriptions::kDefaultTileHeightDescription, kOsAll,
-     MULTI_VALUE_TYPE(kDefaultTileHeightChoices)},
 #if defined(OS_CHROMEOS)
     {"enable-virtual-keyboard", flag_descriptions::kVirtualKeyboardName,
      flag_descriptions::kVirtualKeyboardDescription, kOsCrOS,

chrome/browser/flag-metadata.json

@@ -466,16 +466,6 @@
     // "owners": [ "your-team" ],
     "expiry_milestone": 76
   },
-  {
-    "name": "default-tile-height",
-    // "owners": [ "your-team" ],
-    "expiry_milestone": 76
-  },
-  {
-    "name": "default-tile-width",
-    // "owners": [ "your-team" ],
-    "expiry_milestone": 76
-  },
   {
     "name": "device-discovery-notifications",
     // "owners": [ "your-team" ],

chrome/browser/flag_descriptions.cc

@@ -274,20 +274,6 @@ const char kDebugPackedAppDescription[] =
     "Enables debugging context menu options such as Inspect Element for packed "
     "applications.";
 
-const char kDefaultTileHeightName[] = "Default tile height";
-const char kDefaultTileHeightDescription[] = "Specify the default tile height.";
-const char kDefaultTileHeightShort[] = "128";
-const char kDefaultTileHeightTall[] = "256";
-const char kDefaultTileHeightGrande[] = "512";
-const char kDefaultTileHeightVenti[] = "1024";
-
-const char kDefaultTileWidthName[] = "Default tile width";
-const char kDefaultTileWidthDescription[] = "Specify the default tile width.";
-const char kDefaultTileWidthShort[] = "128";
-const char kDefaultTileWidthTall[] = "256";
-const char kDefaultTileWidthGrande[] = "512";
-const char kDefaultTileWidthVenti[] = "1024";
-
 const char kDebugShortcutsName[] = "Debugging keyboard shortcuts";
 const char kDebugShortcutsDescription[] =
     "Enables additional keyboard shortcuts that are useful for debugging Ash.";

chrome/browser/flag_descriptions.h

@@ -195,20 +195,6 @@ extern const char kDatasaverPromptDemoMode[];
 extern const char kDebugPackedAppName[];
 extern const char kDebugPackedAppDescription[];
 
-extern const char kDefaultTileHeightName[];
-extern const char kDefaultTileHeightDescription[];
-extern const char kDefaultTileHeightShort[];
-extern const char kDefaultTileHeightTall[];
-extern const char kDefaultTileHeightGrande[];
-extern const char kDefaultTileHeightVenti[];
-
-extern const char kDefaultTileWidthName[];
-extern const char kDefaultTileWidthDescription[];
-extern const char kDefaultTileWidthShort[];
-extern const char kDefaultTileWidthTall[];
-extern const char kDefaultTileWidthGrande[];
-extern const char kDefaultTileWidthVenti[];
-
 extern const char kDebugShortcutsName[];
 extern const char kDebugShortcutsDescription[];