Use EXPECT_EQ instead of EXPECT_TRUE

For better test output when it fails.

R=ikilpatrick@chromium.org

Change-Id: I6800cba6f137ab1b87c094b08baeed8551689203
Reviewed-on: https://chromium-review.googlesource.com/c/1336549Reviewed-by: Ian Kilpatrick <ikilpatrick@chromium.org>
Commit-Queue: Christian Biesinger <cbiesinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608163}

third_party/blink/renderer/core/layout/layout_object_test.cc

@@ -893,13 +893,13 @@ TEST_F(LayoutObjectSimTest, HitTestForOcclusionInIframe) {
   Document* iframe_doc = frame_owner_element->contentDocument();
   Element* target = iframe_doc->getElementById("target");
   HitTestResult result = target->GetLayoutObject()->HitTestForOcclusion();
-  EXPECT_TRUE(result.InnerNode() == target);
+  EXPECT_EQ(result.InnerNode(), target);
 
   Element* occluder = GetDocument().getElementById("occluder");
   occluder->SetInlineStyleProperty(CSSPropertyMarginTop, "-150px");
   GetDocument().View()->UpdateAllLifecyclePhases();
   result = target->GetLayoutObject()->HitTestForOcclusion();
-  EXPECT_TRUE(result.InnerNode() == occluder);
+  EXPECT_EQ(result.InnerNode(), occluder);
 }
 
 }  // namespace blink