Adding support for overriding TestWebKitPlatformSupport in DumpRenderTree

webkit/support/webkit_support.h

Index: webkit/support/webkit_support.h
diff --git a/webkit/support/webkit_support.h b/webkit/support/webkit_support.h
index 130642a4e54ed5ca21d81aeccc28cf71bf124037..2f88263d5945d2f5b8a9af6e5b8854b72d632446 100644
--- a/webkit/support/webkit_support.h
+++ b/webkit/support/webkit_support.h
@@ -9,6 +9,7 @@
 
 #include "base/basictypes.h"
 #include "base/string16.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/Platform.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebReferrerPolicy.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDevToolsAgentClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebFileSystem.h"
@@ -58,8 +59,9 @@ namespace webkit_support {
 // SetUpTestEnvironmentForUnitTests() should be used when running in a
 // TestSuite, in which case no AtExitManager is created and ICU is not
 // initialized (as it is already done by the TestSuite).
-void SetUpTestEnvironment();
-void SetUpTestEnvironmentForUnitTests();
+void SetUpTestEnvironment(WebKit::Platform* shadow_platform_support = NULL);
+void SetUpTestEnvironmentForUnitTests(
+    WebKit::Platform* shadow_platform_support = NULL);

[tony, 2012/07/11 17:56:42]

The style guide says no default arguments.  Having 2 methods for each is fine. 
Once we make the change in WebKit, we can remove the no-argument function.

[Tommy Widenflycht, 2012/07/12 13:40:58]

Done.

 void TearDownTestEnvironment();
 
 // Returns a pointer to a WebKitPlatformSupport implementation for