Add MemoryWedge to ios/.

ios/chrome/browser/experimental_flags.h

Index: ios/chrome/browser/experimental_flags.h
diff --git a/ios/chrome/browser/experimental_flags.h b/ios/chrome/browser/experimental_flags.h
index 81e1cf0f9824cd452962ffea59942ea5a9c79a09..e83e05225c40ea9a88bc40a13724ebebee0c96fb 100644
--- a/ios/chrome/browser/experimental_flags.h
+++ b/ios/chrome/browser/experimental_flags.h
@@ -13,6 +13,10 @@ namespace experimental_flags {
 // Returns true if the contents of the clipboard can be used for autocomplete.
 bool IsOpenFromClipboardEnabled();
 
+// Returns the size in MB of the memory wedge to insert during a cold start.
+// If 0, no memory wedge should be inserted.
+unsigned MemoryWedgeSizeInMB();

[Alexei Svitkine (slow), 2015/04/28 16:52:58]

Nit: I think size_t is preferred for unsigned values in Chromium code.

[lpromero, 2015/04/28 18:12:46]

Switched to StringToSizeT internally, as you advised.
Done.

+
 }  // namespace experimental_flags
 
 #endif  // IOS_CHROME_BROWSER_EXPERIMENTAL_FLAGS_H_