Remove some VerifiedContents methods' params that are always false.

extensions/browser/verified_contents.h

 // Copyright 2014 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.
 
 #ifndef EXTENSIONS_BROWSER_VERIFIED_CONTENTS_H_
 #define EXTENSIONS_BROWSER_VERIFIED_CONTENTS_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 11 matching lines @@
 // signed expected hashes of file content which can be used to check for
 // corruption of extension files on local disk.
 class VerifiedContents {
  public:
   // Note: the public_key must remain valid for the lifetime of this object.
   VerifiedContents(const uint8_t* public_key, int public_key_size);
   ~VerifiedContents();
 
   // Returns true if we successfully parsed the verified_contents.json file at
   // |path| and validated the enclosed signature. The
-  // |ignore_invalid_signature| argument can be set to make this still succeed
-  // if the contents of the file were parsed successfully but the signature did
-  // not validate. (Use with caution!)
-  bool InitFrom(const base::FilePath& path, bool ignore_invalid_signature);
+  bool InitFrom(const base::FilePath& path);
 
   int block_size() const { return block_size_; }
   const std::string& extension_id() const { return extension_id_; }
   const base::Version& version() const { return version_; }
 
   bool HasTreeHashRoot(const base::FilePath& relative_path) const;
 
   bool TreeHashRootEquals(const base::FilePath& relative_path,
                           const std::string& expected) const;
 
   // If InitFrom has not been called yet, or was used in "ignore invalid
   // signature" mode, this can return false.
   bool valid_signature() { return valid_signature_; }
 
  private:
   // Returns the base64url-decoded "payload" field from the json at |path|, if
-  // the signature was valid (or ignore_invalid_signature was set to true).
-  bool GetPayload(const base::FilePath& path,
-                  std::string* payload,
-                  bool ignore_invalid_signature);
+  // the signature was valid.
+  bool GetPayload(const base::FilePath& path, std::string* payload);
 
   // The |protected_value| and |payload| arguments should be base64url encoded
   // strings, and |signature_bytes| should be a byte array. See comments in the
   // .cc file on GetPayload for where these come from in the overall input
   // file.
   bool VerifySignature(const std::string& protected_value,
                        const std::string& payload,
                        const std::string& signature_bytes);
 
   // The public key we should use for signature verification.
@@ skipping 21 matching lines @@
   // webstore reject the cases they can statically detect. See crbug.com/29941
   typedef std::multimap<base::FilePath::StringType, std::string> RootHashes;
   RootHashes root_hashes_;
 
   DISALLOW_COPY_AND_ASSIGN(VerifiedContents);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_VERIFIED_CONTENTS_H_