Restored partial rasterization for AlphaBlend.

chrome/browser/printing/print_view_manager.cc

Index: chrome/browser/printing/print_view_manager.cc
diff --git a/chrome/browser/printing/print_view_manager.cc b/chrome/browser/printing/print_view_manager.cc
index ed57b697becb7cdd35918b10e44632b5a6684447..4b83da0ba78f04da3d838117394209771978b36e 100644
--- a/chrome/browser/printing/print_view_manager.cc
+++ b/chrome/browser/printing/print_view_manager.cc
@@ -260,12 +260,9 @@ void PrintViewManager::OnDidPrintPage(
 #if defined(OS_WIN)
   bool big_emf = (params.data_size && params.data_size >= kMetafileMaxSize);
   const CommandLine* cmdline = CommandLine::ForCurrentProcess();
-  if (big_emf ||
-      (cmdline && cmdline->HasSwitch(switches::kPrintRaster)) ||
-      (!print_job_->settings().supports_alpha_blend() &&
-       metafile->IsAlphaBlendUsed())) {
-    int raster_size = std::min(params.page_size.GetArea(),
-                               kMaxRasterSizeInPixels);
+  int raster_size = std::min(params.page_size.GetArea(),
+                             kMaxRasterSizeInPixels);
+  if (big_emf || (cmdline && cmdline->HasSwitch(switches::kPrintRaster))) {
     scoped_ptr<NativeMetafile> raster_metafile(
         metafile->RasterizeMetafile(raster_size));
     if (raster_metafile.get()) {
@@ -277,6 +274,12 @@ void PrintViewManager::OnDidPrintPage(
       web_contents()->Stop();
       return;
     }
+  } else if (!print_job_->settings().supports_alpha_blend() &&
+             metafile->IsAlphaBlendUsed()) {
+    scoped_ptr<NativeMetafile> raster_metafile(
+        metafile->RasterizeAlphaBlend());
+    if (raster_metafile.get())
+      metafile.swap(raster_metafile);
   }
 
 #endif