Move Translate-related files to components/translate

components/translate/README

 - translate/language detection depends on the CLD library and should only be
 used from the renderer to avoid bloating the DLLs on Windows.
 
-- Translate is not allowed to depend on content/, because it is used by iOS.
-If dependences on content/ need to be added to Translate, it will have to be
-made into a layered component: see
-http://www.chromium.org/developers/design-documents/layered-components-design
-for more information.
+- Translate is in the process of becoming a layered component
+(https://sites.google.com/a/chromium.org/dev/developers/design-documents/layered-components-design)
+to enable it to be shared cleanly on iOS.
+
+When this process is complete, this component will have the following structure:
+
+core/: shared code that does not depend on src/content/ or src/ios/
+  browser/: Browser process code
+  common/: Code shared by the browser and the renderer
+  language_detection/: Language detection code, only used from the renderer on
+                       all platforms but iOS (where it is used from the browser)
+content/: Driver for the shared code based on the content layer.
+  browser/: Browser process code.
+  renderer/: Renderer process code.
+  common/: Code shared by the browser and the renderer.
+ios/: Driver for the shared code based on src/ios.