Add a new "Configure" mechanism to CLD browser-side data interfaces.

components/translate/content/browser/data_file_browser_cld_data_provider.cc

 // 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.
 
 #include "data_file_browser_cld_data_provider.h"
 
 #include "base/basictypes.h"
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
@@ skipping 26 matching lines @@
 namespace translate {
 
 // Implementation of the static factory method from BrowserCldDataProvider,
 // hooking up this specific implementation for all of Chromium.
 BrowserCldDataProvider* CreateBrowserCldDataProviderFor(
     content::WebContents* web_contents) {
   VLOG(1) << "Creating DataFileBrowserCldDataProvider";
   return new DataFileBrowserCldDataProvider(web_contents);
 }
 
+// This implementation requires the parameter to be a pointer to an object
+// of type base::FilePath. A copy will be made and SetCldDataFilePath will
+// be invoked. This allows configuration by the browser for both the
+// "component" and "standalone" data sources without the need to explicitly
+// depend upon one or the other at compile time.
+void ConfigureBrowserCldDataProvider(const void* config) {
+  const base::FilePath* as_path = static_cast<const base::FilePath*>(config);
+  DataFileBrowserCldDataProvider::SetCldDataFilePath(*as_path);
+}
+
 void DataFileBrowserCldDataProvider::SetCldDataFilePath(
     const base::FilePath& path) {
   VLOG(1) << "Setting CLD data file path to: " << path.value();
   base::AutoLock lock(g_file_lock_.Get());
   if (g_cached_filepath == path)
     return;  // no change necessary
   g_cached_filepath = path;
   // For sanity, clean these other values up just in case.
   g_cached_file = NULL;
   g_cached_data_length = -1;
@@ skipping 178 matching lines @@
       // Else, this request has taken care of it all. Cache all info.
       VLOG(1) << "Caching CLD data file information.";
       g_cached_file = file.release();
       g_cached_data_offset = data_offset;
       g_cached_data_length = data_length;
     }
   }
 }
 
 }  // namespace translate