Introduce a new 'all_frames' property to content scripts and

chrome/common/extensions/extension_constants.h

Index: chrome/common/extensions/extension_constants.h
diff --git a/chrome/common/extensions/extension_constants.h b/chrome/common/extensions/extension_constants.h
index c8a717afc104f3ebc81dbb5b918f271ea358e34c..2c2c345e3381c8252d46f4334d86346922db1aab 100644
--- a/chrome/common/extensions/extension_constants.h
+++ b/chrome/common/extensions/extension_constants.h
@@ -7,6 +7,7 @@
 
 // Keys used in JSON representation of extensions.
 namespace extension_manifest_keys {
+  extern const wchar_t* kAllFrames;
   extern const wchar_t* kBackground;
   extern const wchar_t* kBrowserAction;
   extern const wchar_t* kChromeURLOverrides;
@@ -89,6 +90,7 @@ namespace extension_manifest_errors {
   extern const char* kInvalidPrivacyBlacklists;
   extern const char* kInvalidPrivacyBlacklistsPath;
 
+  extern const char* kInvalidAllFrames;
   extern const char* kInvalidBackground;
   extern const char* kInvalidRunAt;
   extern const char* kInvalidSignature;