Makes OOPIFs the default

components/html_viewer/ax_provider_apptest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/test_timeouts.h"
 #include "components/view_manager/public/cpp/tests/view_manager_test_base.h"
@@ skipping 12 matching lines @@
 
 // Returns true if the tree contains a text node with contents matching |text|.
 bool AxTreeContainsText(const Array<AxNodePtr>& tree, const String& text) {
   for (size_t i = 0; i < tree.size(); ++i) {
     if (!tree[i]->text.is_null() && tree[i]->text->content == text)
       return true;
   }
   return false;
 }
 
-// Switch to enable out of process iframes.
-const char kOOPIF[] = "oopifs";
+// Switch to disable out of process iframes.
+const char kDisableOOPIF[] = "disable--oopifs";
 
 bool EnableOOPIFs() {
-  return base::CommandLine::ForCurrentProcess()->HasSwitch(kOOPIF);
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(kDisableOOPIF))
+    return false;
+  return true;
 }
 
 class TestFrameTreeServer : public mandoline::FrameTreeServer {
  public:
   TestFrameTreeServer() {}
   ~TestFrameTreeServer() override {}
 
   // mandoline::FrameTreeServer:
   void PostMessageEventToFrame(uint32_t source_frame_id,
                                uint32_t target_frame_id,
@@ skipping 70 matching lines @@
                          EXPECT_TRUE(QuitRunLoop());
                        });
   ASSERT_TRUE(DoRunLoopWithTimeout());
 
   EXPECT_TRUE(AxTreeContainsText(ax_tree, "Hello "));
   EXPECT_TRUE(AxTreeContainsText(ax_tree, "World!"));
   EXPECT_FALSE(AxTreeContainsText(ax_tree, "foo"));
 }
 
 }  // namespace mojo