Revert "cc: Make tiling interest rect calc based on viewport."

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 6091a6f1a24fede1806c08cd93c7b333fce3458f..c9c302b8c94855392e49bc84cfc82b21ebfe9c78 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -234,6 +234,18 @@ const Experiment::Choice kDataReductionProxyLoFiChoices[] = {
         data_reduction_proxy::switches::kDataReductionProxyLoFiValueDisabled}
 };
 
+const Experiment::Choice kMaxTilesForInterestAreaChoices[] = {
+  { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
+  { IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_SHORT,
+    cc::switches::kMaxTilesForInterestArea, "64"},
+  { IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_TALL,
+    cc::switches::kMaxTilesForInterestArea, "128"},
+  { IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_GRANDE,
+    cc::switches::kMaxTilesForInterestArea, "256"},
+  { IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_VENTI,
+    cc::switches::kMaxTilesForInterestArea, "512"}
+};
+
 const Experiment::Choice kShowSavedCopyChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
   { IDS_FLAGS_ENABLE_SHOW_SAVED_COPY_PRIMARY,
@@ -1129,6 +1141,12 @@ const Experiment kExperiments[] = {
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableDelegatedRenderer,
                                switches::kDisableDelegatedRenderer)},
 #endif
+    {"max-tiles-for-interest-area",
+     IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_NAME,
+     IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_DESCRIPTION,
+     kOsAll,
+     MULTI_VALUE_TYPE(kMaxTilesForInterestAreaChoices)
+    },
     {"enable-offer-store-unmasked-wallet-cards",
      IDS_FLAGS_ENABLE_OFFER_STORE_UNMASKED_WALLET_CARDS,
      IDS_FLAGS_ENABLE_OFFER_STORE_UNMASKED_WALLET_CARDS_DESCRIPTION,