Remove most content-level dependencies from TranslateManager.

components/translate/core/browser/translate_driver.h

Index: components/translate/core/browser/translate_driver.h
diff --git a/components/translate/core/browser/translate_driver.h b/components/translate/core/browser/translate_driver.h
index f5a163f462febdc69ca207a8f5708fded72d221e..88bb50385390f036d535a59f401769372c493095 100644
--- a/components/translate/core/browser/translate_driver.h
+++ b/components/translate/core/browser/translate_driver.h
@@ -7,6 +7,7 @@
 
 #include <string>
 
+class GURL;
 class LanguageState;
 
 // Interface that allows Translate core code to interact with its driver (i.e.,
@@ -36,6 +37,26 @@ class TranslateDriver {
 
   // Returns whether the user is currently operating in off-the-record mode.
   virtual bool IsOffTheRecord() = 0;
+
+  // Returns the mime type of the current page.
+  virtual const std::string& GetContentsMimeType() = 0;
+
+  // Returns the last committed URL, or an empty GURL if there is no committed
+  // URL.
+  virtual const GURL& GetLastCommittedURL() = 0;
+
+  // Returns the active URL, or an empty GURL if there is no active URL.
+  virtual const GURL& GetActiveURL() = 0;
+
+  // Returns the visible URL, or an empty GURL if there is no visible URL.
+  virtual const GURL& GetVisibleURL() = 0;
+
+  // Returns whether the driver has access to the current page.
+  virtual bool HasCurrentPage() = 0;
+
+  // Returns an int identifying the current page. Should only be called if
+  // |HasCurrentPage()| is true.
+  virtual int GetCurrentPageID() = 0;
 };
 
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_DRIVER_H_