Revert of Use intersection observer to control frame throttling

third_party/WebKit/Source/web/tests/FrameThrottlingTest.cpp

Index: third_party/WebKit/Source/web/tests/FrameThrottlingTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/FrameThrottlingTest.cpp b/third_party/WebKit/Source/web/tests/FrameThrottlingTest.cpp
index 7e022a42b2eabb0f0b29719a3d16f0b2ced210ff..b2e6e095f0f9840e161dccf0f2c46bc41dcfda51 100644
--- a/third_party/WebKit/Source/web/tests/FrameThrottlingTest.cpp
+++ b/third_party/WebKit/Source/web/tests/FrameThrottlingTest.cpp
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 #include "bindings/core/v8/ScriptController.h"
-#include "bindings/core/v8/ScriptSourceCode.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/frame/FrameView.h"
@@ -779,7 +778,7 @@
   // observer notifications.
   frameElement->contentDocument()
       ->view()
-      ->updateRenderThrottlingStatusForTesting();
+      ->notifyRenderThrottlingObserversForTesting();
   EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering());
   EXPECT_TRUE(
       childFrameElement->contentDocument()->view()->canThrottleRendering());
@@ -787,33 +786,9 @@
   // Both frames should still be throttled after the second notification.
   childFrameElement->contentDocument()
       ->view()
-      ->updateRenderThrottlingStatusForTesting();
+      ->notifyRenderThrottlingObserversForTesting();
   EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering());
   EXPECT_TRUE(
-      childFrameElement->contentDocument()->view()->canThrottleRendering());
-
-  // Move the frame back on screen but don't update throttling yet.
-  frameElement->setAttribute(styleAttr, "transform: translateY(0px)");
-  compositor().beginFrame();
-  EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering());
-  EXPECT_TRUE(
-      childFrameElement->contentDocument()->view()->canThrottleRendering());
-
-  // Update throttling for the child. It should remain throttled because the
-  // parent is still throttled.
-  childFrameElement->contentDocument()
-      ->view()
-      ->updateRenderThrottlingStatusForTesting();
-  EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering());
-  EXPECT_TRUE(
-      childFrameElement->contentDocument()->view()->canThrottleRendering());
-
-  // Updating throttling on the parent should unthrottle both frames.
-  frameElement->contentDocument()
-      ->view()
-      ->updateRenderThrottlingStatusForTesting();
-  EXPECT_FALSE(frameElement->contentDocument()->view()->canThrottleRendering());
-  EXPECT_FALSE(
       childFrameElement->contentDocument()->view()->canThrottleRendering());
 }
 
@@ -899,33 +874,4 @@
   compositeFrame();
 }
 
-TEST_F(FrameThrottlingTest, AllowOneAnimationFrame) {
-  webView().settings()->setJavaScriptEnabled(true);
-
-  // Prepare a page with two cross origin frames (from the same origin so they
-  // are able to access eachother).
-  SimRequest mainResource("https://example.com/", "text/html");
-  SimRequest frameResource("https://thirdparty.com/frame.html", "text/html");
-  loadURL("https://example.com/");
-  mainResource.complete(
-      "<iframe id=frame style=\"position: fixed; top: -10000px\" "
-      "src='https://thirdparty.com/frame.html'></iframe>");
-
-  frameResource.complete(
-      "<script>"
-      "window.requestAnimationFrame(() => { window.didRaf = true; });"
-      "</script>");
-
-  auto* frameElement = toHTMLIFrameElement(document().getElementById("frame"));
-  compositeFrame();
-  EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering());
-
-  LocalFrame* localFrame = toLocalFrame(frameElement->contentFrame());
-  v8::HandleScope scope(v8::Isolate::GetCurrent());
-  v8::Local<v8::Value> result =
-      localFrame->script().executeScriptInMainWorldAndReturnValue(
-          ScriptSourceCode("window.didRaf;"));
-  EXPECT_TRUE(result->IsTrue());
-}
-
 }  // namespace blink