Prepare a bunch of ash tests for workspace2. With Workspace2 you can't

ash/wm/workspace/workspace_manager_unittest.cc

Index: ash/wm/workspace/workspace_manager_unittest.cc
diff --git a/ash/wm/workspace/workspace_manager_unittest.cc b/ash/wm/workspace/workspace_manager_unittest.cc
index 7c858d791a5bc0c8dbeb0361cc52a195268703e7..bcd845e1445643a02b3efa5c63b91cca026c1df2 100644
--- a/ash/wm/workspace/workspace_manager_unittest.cc
+++ b/ash/wm/workspace/workspace_manager_unittest.cc
@@ -78,7 +78,7 @@ class WorkspaceManagerTest : public test::AshTestBase {
     WorkspaceControllerTestHelper workspace_helper(
         Shell::TestApi(Shell::GetInstance()).workspace_controller());
     manager_ = workspace_helper.workspace_manager();
-    manager_->set_grid_size(0);
+    manager_->SetGridSize(0);
   }
   virtual void TearDown() OVERRIDE {
     manager_ = NULL;
@@ -303,7 +303,7 @@ TEST_F(WorkspaceManagerTest, ChangeBoundsOfNormalWindow) {
 
 // Assertions around grid size.
 TEST_F(WorkspaceManagerTest, SnapToGrid) {
-  manager_->set_grid_size(8);
+  manager_->SetGridSize(8);
 
   // Verify snap to grid when bounds are set before parented.
   scoped_ptr<Window> w1(CreateTestWindowUnparented());