Corrected README.md -- location of source files has moved

third_party/WebKit/LayoutTests/accessibility/readme.md

Index: third_party/WebKit/LayoutTests/accessibility/readme.md
diff --git a/third_party/WebKit/LayoutTests/accessibility/readme.md b/third_party/WebKit/LayoutTests/accessibility/readme.md
index 5dfce1dd9fdc74922ff02e0e4267acbd7644a885..a02d46f72f3e2e7093926bc12836b63fa11ea84b 100644
--- a/third_party/WebKit/LayoutTests/accessibility/readme.md
+++ b/third_party/WebKit/LayoutTests/accessibility/readme.md
@@ -3,7 +3,7 @@
 ## General Info on LayoutTests: Building and Running the Tests
 
 See [Layout Tests](/docs/testing/layout_tests.md) for general
-info on how to build and run layout tests. 
+info on how to build and run layout tests.
 
 ## Old vs. New
 
@@ -20,7 +20,7 @@ These tests check the accessibility tree directly in Blink using ```Accessibilit
 
 The code that implements the bindings is here:
 
-* ```components/test_runner/accessibility_controller.cc```
-* ```components/test_runner/web_ax_object_proxy.cc```
+* ```content/shell/test_runner/accessibility_controller.cc```
+* ```content/shell/test_runner/web_ax_object_proxy.cc```
 
 You'll probably find bindings for the features you want to test already. If not, it's not hard to add new ones.