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-rw-r--r--Source/WebCore/platform/graphics/android/RasterRenderer.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/android/RasterRenderer.cpp b/Source/WebCore/platform/graphics/android/RasterRenderer.cpp
index dc35cdd..35fc35a 100644
--- a/Source/WebCore/platform/graphics/android/RasterRenderer.cpp
+++ b/Source/WebCore/platform/graphics/android/RasterRenderer.cpp
@@ -90,6 +90,10 @@ void RasterRenderer::setupCanvas(const TileRenderInfo& renderInfo, SkCanvas* can
renderInfo.invalRect->width(), renderInfo.invalRect->height());
bitmap.allocPixels();
+ // Clear the bitmap to whiteness first.
+ bitmap.setIsOpaque(true);
+ bitmap.eraseARGB(255, 255, 255, 255);
+
SkDevice* device = new SkDevice(NULL, bitmap, false);
if (renderInfo.measurePerf) {