Revert of Blend background with existing content

Source/web/tests/WebViewTest.cpp

Index: Source/web/tests/WebViewTest.cpp
diff --git a/Source/web/tests/WebViewTest.cpp b/Source/web/tests/WebViewTest.cpp
index 1b41785f937a1f88bc3a07d6ed1f0bc0df4084b2..edef35660abc1a0331298e823cd605bc98c2c566 100644
--- a/Source/web/tests/WebViewTest.cpp
+++ b/Source/web/tests/WebViewTest.cpp
@@ -58,15 +58,11 @@
 #include "core/page/Chrome.h"
 #include "core/page/Settings.h"
 #include "core/platform/chromium/KeyboardCodes.h"
-#include "platform/graphics/Color.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebSize.h"
 #include "public/platform/WebThread.h"
 #include "public/platform/WebUnitTestSupport.h"
 #include "public/web/WebWidgetClient.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "third_party/skia/include/core/SkBitmapDevice.h"
-#include "third_party/skia/include/core/SkCanvas.h"
 
 using namespace blink;
 using blink::FrameTestHelpers::runPendingTasks;
@@ -276,35 +272,6 @@
     // webView does not have a frame yet, but we should still be able to set the background color.
     webView->setBaseBackgroundColor(kBlue);
     EXPECT_EQ(kBlue, webView->backgroundColor());
-}
-
-TEST_F(WebViewTest, SetBaseBackgroundColorAndBlendWithExistingContent)
-{
-    const WebColor kAlphaRed = 0x80FF0000;
-    const WebColor kAlphaGreen = 0x8000FF00;
-    const int kWidth = 100;
-    const int kHeight = 100;
-
-    // Set WebView background to green with alpha.
-    WebView* webView = m_webViewHelper.initialize();
-    webView->setBaseBackgroundColor(kAlphaGreen);
-    webView->settings()->setShouldClearDocumentBackground(false);
-    webView->resize(WebSize(kWidth, kHeight));
-    webView->layout();
-
-    // Set canvas background to red with alpha.
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, kWidth, kHeight);
-    bitmap.allocPixels();
-    SkBitmapDevice device(bitmap);
-    SkCanvas canvas(&device);
-    canvas.clear(kAlphaRed);
-    webView->paint(&canvas, WebRect(0, 0, kWidth, kHeight));
-
-    // The result should be a blend of red and green.
-    uint32_t color = *bitmap.getAddr32(50, 50);
-    EXPECT_TRUE(WebCore::redChannel(color));
-    EXPECT_TRUE(WebCore::greenChannel(color));
 }
 
 TEST_F(WebViewTest, FocusIsInactive)