Add an about flag to toggle the visibility of "All bookmarks"

chrome/common/chrome_switches.h

Index: chrome/common/chrome_switches.h
diff --git a/chrome/common/chrome_switches.h b/chrome/common/chrome_switches.h
index 04dfddad3202d0c4a114d15df3bcaa6731355c7c..f762f40c894347c65d45495389b4cb92882cb443 100644
--- a/chrome/common/chrome_switches.h
+++ b/chrome/common/chrome_switches.h
@@ -61,6 +61,7 @@ extern const char kDiagnosticsFormat[];
 extern const char kDiagnosticsRecovery[];
 extern const char kDisableAboutInSettings[];
 extern const char kDisableAddToShelf[];
+extern const char kDisableAllBookmarksView[];
 extern const char kDisableAsyncDns[];
 extern const char kDisableBackgroundNetworking[];
 extern const char kDisableBundledPpapiFlash[];
@@ -105,6 +106,7 @@ extern const char kDnsPrefetchDisable[];
 extern const char kDumpBrowserHistograms[];
 extern const char kEasyUnlockAppPath[];
 extern const char kEnableAddToShelf[];
+extern const char kEnableAllBookmarksView[];
 extern const char kEnableAppsFileAssociations[];
 extern const char kEnableAudioDebugRecordingsFromExtension[];
 extern const char kEnableBenchmarking[];