Replace uses of hash_map in //base

ios/chrome/browser/ui/toolbar/web_toolbar_controller_unittest.mm

Index: ios/chrome/browser/ui/toolbar/web_toolbar_controller_unittest.mm
diff --git a/ios/chrome/browser/ui/toolbar/web_toolbar_controller_unittest.mm b/ios/chrome/browser/ui/toolbar/web_toolbar_controller_unittest.mm
index cd917a7f5647f082565afec61ecbeb3bbbce83a1..8901a7516b31cb0eb8d556498a515d98de9fe018 100644
--- a/ios/chrome/browser/ui/toolbar/web_toolbar_controller_unittest.mm
+++ b/ios/chrome/browser/ui/toolbar/web_toolbar_controller_unittest.mm
@@ -6,6 +6,7 @@
 
 #import <Foundation/Foundation.h>
 
+#include <map>
 #include <memory>
 
 #include "base/ios/ios_util.h"
@@ -188,8 +189,8 @@ TEST_F(WebToolbarControllerTest, TestUpdateToolbar_TestLayoutOmnibox) {
   // Test that the initial setup of the toolbar matches the layout produced by
   // calling layoutOmnibox.  If the initial frames do not match those set during
   // layoutOmnibox, there will be minor animations during startup.
-  typedef base::hash_map<unsigned long, CGRect> FrameHash;
-  typedef base::hash_map<unsigned long, CGRect>::iterator FrameHashIter;
+  typedef std::map<unsigned long, CGRect> FrameHash;
+  typedef std::map<unsigned long, CGRect>::iterator FrameHashIter;
   FrameHash initialFrames;
   FrameHash postLayoutFrames;