[DRAFT] Create RenderFrameHostManager.

content/browser/frame_host/frame_tree_unittest.cc

Index: content/browser/frame_host/frame_tree_unittest.cc
diff --git a/content/browser/frame_host/frame_tree_unittest.cc b/content/browser/frame_host/frame_tree_unittest.cc
index 20295dcfde35f2f115042d9445814123f79fadfe..dcf256a7758502880b5b2a81e7ea9f1a848f6c7e 100644
--- a/content/browser/frame_host/frame_tree_unittest.cc
+++ b/content/browser/frame_host/frame_tree_unittest.cc
@@ -51,7 +51,7 @@ class FrameTreeTest : public RenderViewHostTestHarness {
 //  - Swapping back to NULL doesn't crash (easier tear-down for interstitials).
 //  - Main frame does not own RenderFrameHost.
 TEST_F(FrameTreeTest, RootNode) {
-  FrameTree frame_tree;
+  FrameTree frame_tree(NULL, NULL, NULL);
 
   // Initial state has empty node.
   FrameTreeNode* root = frame_tree.GetRootForTesting();
@@ -78,7 +78,7 @@ TEST_F(FrameTreeTest, RootNode) {
 //  - On creation, frame id is unassigned.
 //  - After a swap, frame id is unassigned.
 TEST_F(FrameTreeTest, FirstNavigationAfterSwap) {
-  FrameTree frame_tree;
+  FrameTree frame_tree(NULL, NULL, NULL);
 
   EXPECT_TRUE(frame_tree.IsFirstNavigationAfterSwap());
   EXPECT_EQ(FrameTreeNode::kInvalidFrameId,
@@ -97,7 +97,7 @@ TEST_F(FrameTreeTest, FirstNavigationAfterSwap) {
 //  - Add a series of nodes and verify tree structure.
 //  - Remove a series of nodes and verify tree structure.
 TEST_F(FrameTreeTest, Shape) {
-  FrameTree frame_tree;
+  FrameTree frame_tree(NULL, NULL, NULL);
   std::string no_children_node("no children node");
   std::string deep_subtree("node with deep subtree");