Remove unused method crackFileSystemURL() from DOMFileSystemBase

R=haraken
BUG=none

Review-Url: https://codereview.chromium.org/2273873004
Cr-Commit-Position: refs/heads/master@{#414205}

third_party/WebKit/Source/modules/filesystem/DOMFileSystemBase.cpp

@@ -94,22 +94,6 @@ bool DOMFileSystemBase::isValidType(FileSystemType type)
     return type == FileSystemTypeTemporary || type == FileSystemTypePersistent || type == FileSystemTypeIsolated || type == FileSystemTypeExternal;
 }
 
-bool DOMFileSystemBase::crackFileSystemURL(const KURL& url, FileSystemType& type, String& filePath)
-{
-    if (!url.protocolIs("filesystem"))
-        return false;
-
-    if (!url.innerURL())
-        return false;
-
-    String typeString = url.innerURL()->path().substring(1);
-    if (!pathPrefixToFileSystemType(typeString, type))
-        return false;
-
-    filePath = decodeURLEscapeSequences(url.path());
-    return true;
-}
-
 KURL DOMFileSystemBase::createFileSystemRootURL(const String& origin, FileSystemType type)
 {
     String typeString;

third_party/WebKit/Source/modules/filesystem/DOMFileSystemBase.h

@@ -96,7 +96,6 @@ public:
     bool clonable() const { return m_clonable; }
 
     static bool isValidType(FileSystemType);
-    static bool crackFileSystemURL(const KURL&, FileSystemType&, String& filePath);
     static KURL createFileSystemRootURL(const String& origin, FileSystemType);
     bool supportsToURL() const;
     KURL createFileSystemURL(const EntryBase*) const;