Revert temporary device independent bitmap

content/renderer/pepper/pepper_graphics_2d_host.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/pepper/pepper_graphics_2d_host.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 336 matching lines @@
     SkRect image_data_rect =
         gfx::RectToSkRect(gfx::Rect(plugin_rect.origin(), image_size));
     canvas->clipRect(image_data_rect, SkRegion::kDifference_Op);
 
     SkPaint paint;
     paint.setXfermodeMode(SkXfermode::kSrc_Mode);
     paint.setColor(SK_ColorWHITE);
     canvas->drawRect(sk_invalidate_rect, paint);
   }
 
-  SkBitmap image;
-  // Copy to device independent bitmap when target canvas doesn't support
-  // platform paint.
-  if (!skia::SupportsPlatformPaint(canvas))
-    backing_bitmap.copyTo(&image, kN32_SkColorType);
-  else
-    image = backing_bitmap;
-
   SkPaint paint;
   if (is_always_opaque_) {
     // When we know the device is opaque, we can disable blending for slightly
     // more optimized painting.
     paint.setXfermodeMode(SkXfermode::kSrc_Mode);
   }
 
   SkPoint pixel_origin(PointToSkPoint(plugin_rect.origin()));
   if (scale_ != 1.0f && scale_ > 0.0f) {
     canvas->scale(scale_, scale_);
     pixel_origin.scale(1.0f / scale_);
   }
-  canvas->drawBitmap(image, pixel_origin.x(), pixel_origin.y(), &paint);
+  canvas->drawBitmap(backing_bitmap, pixel_origin.x(), pixel_origin.y(),
+                     &paint);
 }
 
 void PepperGraphics2DHost::ViewInitiatedPaint() {
   TRACE_EVENT0("pepper", "PepperGraphics2DHost::ViewInitiatedPaint");
   if (need_flush_ack_) {
     SendFlushAck();
     need_flush_ack_ = false;
   }
 }
 
@@ skipping 447 matching lines @@
     gfx::Point inverse_scaled_point =
         gfx::ScaleToFlooredPoint(*delta, inverse_scale);
     if (original_delta != inverse_scaled_point)
       return false;
   }
 
   return true;
 }
 
 }  // namespace content