Add NavigateToPage API for action_runner.

content/test/gpu/gpu_tests/context_lost.py

Index: content/test/gpu/gpu_tests/context_lost.py
diff --git a/content/test/gpu/gpu_tests/context_lost.py b/content/test/gpu/gpu_tests/context_lost.py
index 3e5840d9fdef35ce2ad2356d11a3fa70aabc928c..5a05d83d08fbf89098704b2926bad8e6ba4e693e 100644
--- a/content/test/gpu/gpu_tests/context_lost.py
+++ b/content/test/gpu/gpu_tests/context_lost.py
@@ -137,7 +137,7 @@ class WebGLContextLostFromGPUProcessExitPage(page.Page):
     self.force_garbage_collection = False
 
   def RunNavigateSteps(self, action_runner):
-    action_runner.RunAction(NavigateAction())
+    action_runner.NavigateToPage(self)
     action_runner.RunAction(WaitAction(
       {'javascript': 'window.domAutomationController._loaded'}))
 
@@ -154,7 +154,7 @@ class WebGLContextLostFromLoseContextExtensionPage(page.Page):
     self.force_garbage_collection = False
 
   def RunNavigateSteps(self, action_runner):
-    action_runner.RunAction(NavigateAction())
+    action_runner.NavigateToPage(self)
     action_runner.RunAction(WaitAction(
       {'javascript': 'window.domAutomationController._finished'}))
 
@@ -170,7 +170,7 @@ class WebGLContextLostFromQuantityPage(page.Page):
     self.force_garbage_collection = True
 
   def RunNavigateSteps(self, action_runner):
-    action_runner.RunAction(NavigateAction())
+    action_runner.NavigateToPage(self)
     action_runner.RunAction(WaitAction(
       {'javascript': 'window.domAutomationController._loaded'}))