move file access permission logic to DownloadResourceThrottle

chrome/browser/download/download_target_determiner.cc

Index: chrome/browser/download/download_target_determiner.cc
diff --git a/chrome/browser/download/download_target_determiner.cc b/chrome/browser/download/download_target_determiner.cc
index 38e0acb95a31500c4e38f5c7f0343a6d1cee1e22..99bcd7f1e855e09c96b958c6277aeda025c8f3dd 100644
--- a/chrome/browser/download/download_target_determiner.cc
+++ b/chrome/browser/download/download_target_determiner.cc
@@ -39,10 +39,6 @@
 #include "content/public/common/webplugininfo.h"
 #endif
 
-#if defined(OS_ANDROID)
-#include "content/public/browser/android/download_controller_android.h"
-#endif
-
 #if defined(OS_WIN)
 #include "chrome/browser/ui/pdf/adobe_reader_info_win.h"
 #endif
@@ -90,7 +86,7 @@ DownloadTargetDeterminer::DownloadTargetDeterminer(
     DownloadPrefs* download_prefs,
     DownloadTargetDeterminerDelegate* delegate,
     const CompletionCallback& callback)
-    : next_state_(STATE_PROMPT_USER_FOR_PERMISSION),
+    : next_state_(STATE_GENERATE_TARGET_PATH),
       should_prompt_(false),
       should_notify_extensions_(false),
       create_target_directory_(false),
@@ -129,9 +125,6 @@ void DownloadTargetDeterminer::DoLoop() {
     next_state_ = STATE_NONE;
 
     switch (current_state) {
-      case STATE_PROMPT_USER_FOR_PERMISSION:
-        result = DoPromptUserForPermission();
-        break;
       case STATE_GENERATE_TARGET_PATH:
         result = DoGenerateTargetPath();
         break;
@@ -179,35 +172,6 @@ void DownloadTargetDeterminer::DoLoop() {
 }
 
 DownloadTargetDeterminer::Result
-    DownloadTargetDeterminer::DoPromptUserForPermission() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  next_state_ = STATE_GENERATE_TARGET_PATH;
-#if defined(OS_ANDROID)
-  content::WebContents* web_contents = download_->GetWebContents();
-  content::DownloadControllerAndroid::Get()->AcquireFileAccessPermission(
-      web_contents,
-      base::Bind(&DownloadTargetDeterminer::PromptUserForPermissionDone,
-                 weak_ptr_factory_.GetWeakPtr()));
-  return QUIT_DOLOOP;
-#else
-  return CONTINUE;
-#endif
-}
-
-#if defined(OS_ANDROID)
-void DownloadTargetDeterminer::PromptUserForPermissionDone(bool granted) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  DCHECK_EQ(STATE_GENERATE_TARGET_PATH, next_state_);
-  if (!granted) {
-    CancelOnFailureAndDeleteSelf();
-    return;
-  }
-
-  DoLoop();
-}
-#endif
-
-DownloadTargetDeterminer::Result
     DownloadTargetDeterminer::DoGenerateTargetPath() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(local_path_.empty());