Image filters: change applyCropRect() to take a src rect.

src/effects/SkColorFilterImageFilter.cpp

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkColorFilterImageFilter.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
@@ skipping 48 matching lines @@
                                              const Context& ctx,
                                              SkBitmap* result,
                                              SkIPoint* offset) const {
     SkBitmap src = source;
     SkIPoint srcOffset = SkIPoint::Make(0, 0);
     if (!this->filterInput(0, proxy, source, ctx, &src, &srcOffset)) {
         return false;
     }
 
     SkIRect bounds;
-    if (!this->applyCropRect(ctx, src, srcOffset, &bounds)) {
+    SkIRect srcBounds = src.bounds();
+    srcBounds.offset(srcOffset);
+    if (!this->applyCropRect(ctx, srcBounds, &bounds)) {
         return false;
     }
 
     SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), bounds.height()));
     if (nullptr == device.get()) {
         return false;
     }
     SkCanvas canvas(device.get());
     SkPaint paint;
 
@@ skipping 35 matching lines @@
     if (this->getInput(0)) {
         this->getInput(0)->toString(str);
     }
 
     str->appendf(") color filter: ");
     fColorFilter->toString(str);
 
     str->append(")");
 }
 #endif