Make contents settable in RVHTH.

chrome/browser/ui/tab_contents/test_tab_contents_wrapper.cc

Index: chrome/browser/ui/tab_contents/test_tab_contents_wrapper.cc
diff --git a/chrome/browser/ui/tab_contents/test_tab_contents_wrapper.cc b/chrome/browser/ui/tab_contents/test_tab_contents_wrapper.cc
index 28aa5a448081fa00f31851804e835983d011cf82..8ae1173cd6a82e6447707cc303dbbd3643d588bb 100644
--- a/chrome/browser/ui/tab_contents/test_tab_contents_wrapper.cc
+++ b/chrome/browser/ui/tab_contents/test_tab_contents_wrapper.cc
@@ -23,8 +23,12 @@ TabContentsWrapper* TabContentsWrapperTestHarness::contents_wrapper() {
   return contents_wrapper_.get();
 }
 
+void TabContentsWrapperTestHarness::SetContents(TestTabContents* contents) {
+  contents_wrapper_.reset(new TabContentsWrapper(contents));
+}
+
 void TabContentsWrapperTestHarness::SetUp() {
-  contents_wrapper_.reset(new TabContentsWrapper(CreateTestTabContents()));
+  SetContents(CreateTestTabContents());
 }
 
 void TabContentsWrapperTestHarness::TearDown() {