Removing iPad Tab Switcher experimental flag.

ios/chrome/browser/snapshots/snapshot_cache_unittest.mm

 // Copyright 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.
 
 #import "ios/chrome/browser/snapshots/snapshot_cache.h"
 
 #import <Foundation/Foundation.h>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 200 matching lines @@
   base::scoped_nsobject<NSMutableArray> testSessions_;
   base::scoped_nsobject<NSMutableArray> testImages_;
 };
 
 // This test simply put all the snapshots in the cache and then gets them back
 // As the snapshots are kept in memory, the same pointer can be retrieved.
 // This test also checks that images are correctly removed from the disk.
 TEST_F(SnapshotCacheTest, Cache) {
   SnapshotCache* cache = GetSnapshotCache();
 
-  if (![cache inMemoryCacheIsEnabled])
-    return;
-
   NSUInteger expectedCacheSize = kSessionCount;
   if ([cache usesLRUCache])
     expectedCacheSize = MIN(kSessionCount, [cache lruCacheMaxSize]);
 
   // Put all images in the cache.
   for (NSUInteger i = 0; i < expectedCacheSize; ++i) {
     UIImage* image = [testImages_ objectAtIndex:i];
     NSString* sessionID = [testSessions_ objectAtIndex:i];
     [cache setImage:image withSessionID:sessionID];
   }
@@ skipping 120 matching lines @@
 
   NSString* firstPinnedID = [testSessions_ objectAtIndex:4];
   NSString* secondPinnedID = [testSessions_ objectAtIndex:6];
   NSMutableSet* set = [NSMutableSet set];
   [set addObject:firstPinnedID];
   [set addObject:secondPinnedID];
   cache.pinnedIDs = set;
 
   TriggerMemoryWarning();
 
-  if ([cache inMemoryCacheIsEnabled]) {
-    EXPECT_EQ(YES, [cache hasImageInMemory:firstPinnedID]);
-    EXPECT_EQ(YES, [cache hasImageInMemory:secondPinnedID]);
-  } else {
-    EXPECT_EQ(NO, [cache hasImageInMemory:firstPinnedID]);
-    EXPECT_EQ(NO, [cache hasImageInMemory:secondPinnedID]);
-  }
+  EXPECT_EQ(YES, [cache hasImageInMemory:firstPinnedID]);
+  EXPECT_EQ(YES, [cache hasImageInMemory:secondPinnedID]);
 
   NSString* notPinnedID = [testSessions_ objectAtIndex:2];
   EXPECT_FALSE([cache hasImageInMemory:notPinnedID]);
 
   // Wait for the final image to be pulled off disk.
   FlushRunLoops();
 }
 
 // Tests that createGreyCache creates the grey snapshots in the background,
 // from color images in the in-memory cache.  When the grey images are all
@@ skipping 188 matching lines @@
   EXPECT_TRUE(base::PathExists(retinaFile));
 
   // Delete the image.
   [cache removeImageWithSessionID:kSession];
   FlushRunLoops();  // ensure the file is removed.
 
   EXPECT_FALSE(base::PathExists(retinaFile));
 }
 
 }  // namespace