Fix date picker datalist suggestion dropdown size with use-zoom-for-dsf.

third_party/WebKit/Source/core/html/HTMLInputElementTest.cpp

Index: third_party/WebKit/Source/core/html/HTMLInputElementTest.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLInputElementTest.cpp b/third_party/WebKit/Source/core/html/HTMLInputElementTest.cpp
index bb5c6671da72427e954a1a2ba70c8bc294bc2805..9dabccd19e5d16e0c23f2838cbe3ca697ad1377d 100644
--- a/third_party/WebKit/Source/core/html/HTMLInputElementTest.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLInputElementTest.cpp
@@ -5,9 +5,13 @@
 #include "core/html/HTMLInputElement.h"
 
 #include "core/dom/Document.h"
+#include "core/frame/FrameHost.h"
+#include "core/frame/FrameView.h"
+#include "core/frame/VisualViewport.h"
 #include "core/html/HTMLBodyElement.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLHtmlElement.h"
+#include "core/html/forms/DateTimeChooser.h"
 #include "core/testing/DummyPageHolder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include <memory>
@@ -84,4 +88,20 @@ TEST(HTMLInputElementTest, ImageTypeCrash)
     input->setAttribute(HTMLNames::valueAttr, "aaa");
 }
 
+TEST(HTMLInputElementTest, DateTimeChooserSizeParamRespectsScale)
+{
+    std::unique_ptr<DummyPageHolder> pageHolder = DummyPageHolder::create();
+    Document* document = &(pageHolder->document());
+    document->view()->frame().host()->visualViewport().setScale(2.f);
+    document->body()->setInnerHTML("<input type='date' style='width:200px;height:50px' />", ASSERT_NO_EXCEPTION);
+    document->view()->updateAllLifecyclePhases();
+    HTMLInputElement* input = toHTMLInputElement(document->body()->firstChild());
+
+    DateTimeChooserParameters params;
+    bool success = input->setupDateTimeChooserParameters(params);
+    EXPECT_TRUE(success);
+    EXPECT_EQ("date", params.type);
+    EXPECT_EQ(IntRect(16, 16, 400, 100), params.anchorRectInScreen);
+}
+
 } // namespace blink