Fix ANGLETest::getPlatformRenderer.

Was mistakenly returning a boolean instead of EGLint.

BUG=angle:850

Change-Id: I07f0995d66783f62124d37f5ea8e595f516cc84f
Reviewed-on: https://chromium-review.googlesource.com/244844
Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Nicolas Capens <capn@chromium.org>
diff --git a/tests/angle_tests/ANGLETest.cpp b/tests/angle_tests/ANGLETest.cpp
index 5ce03b3..375724f 100644
--- a/tests/angle_tests/ANGLETest.cpp
+++ b/tests/angle_tests/ANGLETest.cpp
@@ -252,7 +252,8 @@
 
 EGLint ANGLETest::getPlatformRenderer() const
 {
-    return mEGLWindow && mEGLWindow->getPlatform().renderer;
+    assert(mEGLWindow);
+    return mEGLWindow->getPlatform().renderer;
 }
 
 OSWindow *ANGLETest::mOSWindow = NULL;