[Test Expectations] Add GetCurrentPlatform() and GetCurrentConfiguration().

base/test/expectations/expectation.h

Index: base/test/expectations/expectation.h
diff --git a/base/test/expectations/expectation.h b/base/test/expectations/expectation.h
index 5bf131d9ab7852585dce652c69fd637f8c282eaf..d86b08dc454a0dfc8b46705d40014fca9084f600 100644
--- a/base/test/expectations/expectation.h
+++ b/base/test/expectations/expectation.h
@@ -52,6 +52,9 @@ struct Platform {
 bool PlatformFromString(const base::StringPiece& modifier,
                         Platform* out_platform) WARN_UNUSED_RESULT;
 
+// Returns the Platform for the currently running binary.
+Platform GetCurrentPlatform();
+
 // The build configuration.
 enum Configuration {
   CONFIGURATION_UNSPECIFIED,
@@ -64,6 +67,9 @@ enum Configuration {
 bool ConfigurationFromString(const base::StringPiece& modifier,
     Configuration* out_configuration) WARN_UNUSED_RESULT;
 
+// Returns the Configuration for the currently running binary.
+Configuration GetCurrentConfiguration();
+
 // An Expectation is records what the result for a given test name should be on
 // the specified platforms and configuration.
 struct Expectation {