Maintain minimal error response.

content/browser/android/content_view_core_impl.cc

 // Copyright 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/browser/android/content_view_core_impl.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 623 matching lines @@
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
   Java_ContentViewCore_showPastePopupWithFeedback(
       env, obj.obj(), static_cast<jint>(x_dip * dpi_scale()),
       static_cast<jint>(y_dip * dpi_scale()));
 }
 
 void ContentViewCoreImpl::GetScaledContentBitmap(
     float scale,
-    SkColorType color_type,
+    SkColorType preferred_color_type,
     gfx::Rect src_subrect,
     ReadbackRequestCallback& result_callback) {
   RenderWidgetHostViewAndroid* view = GetRenderWidgetHostViewAndroid();
-  if (!view || color_type == kUnknown_SkColorType) {
+  if (!view || preferred_color_type == kUnknown_SkColorType) {
     result_callback.Run(SkBitmap(), READBACK_FAILED);
     return;
   }
 
-  view->GetScaledContentBitmap(scale, color_type, src_subrect,
-      result_callback);
+  view->GetScaledContentBitmap(scale, preferred_color_type, src_subrect,
+                               result_callback);
 }
 
 void ContentViewCoreImpl::StartContentIntent(const GURL& content_url) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
   if (j_obj.is_null())
     return;
   ScopedJavaLocalRef<jstring> jcontent_url =
       ConvertUTF8ToJavaString(env, content_url.spec());
   Java_ContentViewCore_startContentIntent(env,
@@ skipping 789 matching lines @@
     return NULL;
 
   return view->GetJavaObject().Release();
 }
 
 bool RegisterContentViewCore(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content