Move download stuff from download helper back to TabContents. This is basically a revert of r8576...

chrome/browser/download/download_request_limiter_unittest.cc

Index: chrome/browser/download/download_request_limiter_unittest.cc
===================================================================
--- chrome/browser/download/download_request_limiter_unittest.cc	(revision 92561)
+++ chrome/browser/download/download_request_limiter_unittest.cc	(working copy)
@@ -3,15 +3,15 @@
 // found in the LICENSE file.
 
 #include "chrome/browser/download/download_request_limiter.h"
-#include "chrome/browser/ui/tab_contents/test_tab_contents_wrapper.h"
 #include "chrome/test/testing_profile.h"
 #include "content/browser/browser_thread.h"
+#include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/tab_contents/navigation_controller.h"
 #include "content/browser/tab_contents/test_tab_contents.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class DownloadRequestLimiterTest
-    : public TabContentsWrapperTestHarness,
+    : public RenderViewHostTestHarness,
       public DownloadRequestLimiter::Callback {
  public:
   DownloadRequestLimiterTest()
@@ -20,7 +20,7 @@
   }
 
   virtual void SetUp() {
-    TabContentsWrapperTestHarness::SetUp();
+    RenderViewHostTestHarness::SetUp();
 
     allow_download_ = true;
     ask_allow_count_ = cancel_count_ = continue_count_ = 0;
@@ -33,7 +33,7 @@
   virtual void TearDown() {
     DownloadRequestLimiter::SetTestingDelegate(NULL);
 
-    TabContentsWrapperTestHarness::TearDown();
+    RenderViewHostTestHarness::TearDown();
   }
 
   virtual void ContinueDownload() {