Revert of https://codereview.chromium.org/110593003/
Reason for revert: SkImageRef_ashmem doesn't compile

R=halcanary@google.com, scroggo@google.com
TBR=halcanary@google.com, scroggo@google.com
NOTREECHECKS=true
NOTRY=true
BUG=

Author: reed@google.com

Review URL: https://codereview.chromium.org/119753009

git-svn-id: http://skia.googlecode.com/svn/trunk@12884 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/lazy/SkCachingPixelRef.cpp b/src/lazy/SkCachingPixelRef.cpp
index 033a6b5..fb30d05 100644
--- a/src/lazy/SkCachingPixelRef.cpp
+++ b/src/lazy/SkCachingPixelRef.cpp
@@ -8,6 +8,7 @@
 #include "SkCachingPixelRef.h"
 #include "SkScaledImageCache.h"
 
+
 bool SkCachingPixelRef::Install(SkImageGenerator* generator,
                                 SkBitmap* dst) {
     SkImageInfo info;
@@ -40,12 +41,12 @@
     // Assert always unlock before unref.
 }
 
-bool SkCachingPixelRef::onNewLockPixels(LockRec* rec) {
-    if (fErrorInDecoding) {
-        return false;  // don't try again.
-    }
-    
+void* SkCachingPixelRef::onLockPixels(SkColorTable**) {
     const SkImageInfo& info = this->info();
+
+    if (fErrorInDecoding) {
+        return NULL;  // don't try again.
+    }
     SkBitmap bitmap;
     SkASSERT(NULL == fScaledCacheId);
     fScaledCacheId = SkScaledImageCache::FindAndLock(this->getGenerationID(),
@@ -56,12 +57,12 @@
         // Cache has been purged, must re-decode.
         if ((!bitmap.setConfig(info, fRowBytes)) || !bitmap.allocPixels()) {
             fErrorInDecoding = true;
-            return false;
+            return NULL;
         }
         SkAutoLockPixels autoLockPixels(bitmap);
         if (!fImageGenerator->getPixels(info, bitmap.getPixels(), fRowBytes)) {
             fErrorInDecoding = true;
-            return false;
+            return NULL;
         }
         fScaledCacheId = SkScaledImageCache::AddAndLock(this->getGenerationID(),
                                                         info.fWidth,
@@ -75,7 +76,6 @@
     SkAutoLockPixels autoLockPixels(bitmap);
     void* pixels = bitmap.getPixels();
     SkASSERT(pixels != NULL);
-    
     // At this point, the autoLockPixels will unlockPixels()
     // to remove bitmap's lock on the pixels.  We will then
     // destroy bitmap.  The *only* guarantee that this pointer
@@ -84,10 +84,7 @@
     // bitmap (SkScaledImageCache::Rec.fBitmap) that holds a
     // reference to the concrete PixelRef while this record is
     // locked.
-    rec->fPixels = pixels;
-    rec->fColorTable = NULL;
-    rec->fRowBytes = bitmap.rowBytes();
-    return true;
+    return pixels;
 }
 
 void SkCachingPixelRef::onUnlockPixels() {
diff --git a/src/lazy/SkCachingPixelRef.h b/src/lazy/SkCachingPixelRef.h
index 905ee9b..b1f2fcd 100644
--- a/src/lazy/SkCachingPixelRef.h
+++ b/src/lazy/SkCachingPixelRef.h
@@ -40,7 +40,7 @@
 
 protected:
     virtual ~SkCachingPixelRef();
-    virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE;
+    virtual void* onLockPixels(SkColorTable** colorTable) SK_OVERRIDE;
     virtual void onUnlockPixels() SK_OVERRIDE;
     virtual bool onLockPixelsAreWritable() const SK_OVERRIDE { return false; }
 
diff --git a/src/lazy/SkDiscardablePixelRef.cpp b/src/lazy/SkDiscardablePixelRef.cpp
index 3f960d3..2886156 100644
--- a/src/lazy/SkDiscardablePixelRef.cpp
+++ b/src/lazy/SkDiscardablePixelRef.cpp
@@ -36,18 +36,15 @@
     SkDELETE(fGenerator);
 }
 
-bool SkDiscardablePixelRef::onNewLockPixels(LockRec* rec) {
+void* SkDiscardablePixelRef::onLockPixels(SkColorTable**) {
     if (fDiscardableMemory != NULL) {
         if (fDiscardableMemory->lock()) {
-            rec->fPixels = fDiscardableMemory->data();
-            rec->fColorTable = NULL;
-            rec->fRowBytes = fRowBytes;
-            return true;
+            return fDiscardableMemory->data();
         }
         SkDELETE(fDiscardableMemory);
         fDiscardableMemory = NULL;
     }
-    
+
     const size_t size = this->info().getSafeSize(fRowBytes);
 
     if (fDMFactory != NULL) {
@@ -56,23 +53,17 @@
         fDiscardableMemory = SkDiscardableMemory::Create(size);
     }
     if (NULL == fDiscardableMemory) {
-        return false;  // Memory allocation failed.
+        return NULL;  // Memory allocation failed.
     }
-
     void* pixels = fDiscardableMemory->data();
     if (!fGenerator->getPixels(this->info(), pixels, fRowBytes)) {
         fDiscardableMemory->unlock();
         SkDELETE(fDiscardableMemory);
         fDiscardableMemory = NULL;
-        return false;
+        return NULL;
     }
-
-    rec->fPixels = pixels;
-    rec->fColorTable = NULL;
-    rec->fRowBytes = fRowBytes;
-    return true;
+    return pixels;
 }
-
 void SkDiscardablePixelRef::onUnlockPixels() {
     fDiscardableMemory->unlock();
 }
diff --git a/src/lazy/SkDiscardablePixelRef.h b/src/lazy/SkDiscardablePixelRef.h
index 4a013fd..3367096 100644
--- a/src/lazy/SkDiscardablePixelRef.h
+++ b/src/lazy/SkDiscardablePixelRef.h
@@ -28,8 +28,7 @@
 
 protected:
     ~SkDiscardablePixelRef();
-
-    virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE;
+    virtual void* onLockPixels(SkColorTable**) SK_OVERRIDE;
     virtual void onUnlockPixels() SK_OVERRIDE;
     virtual bool onLockPixelsAreWritable() const SK_OVERRIDE { return false; }
 
@@ -50,12 +49,9 @@
     SkDiscardablePixelRef(const SkImageInfo&, SkImageGenerator*,
                           size_t rowBytes,
                           SkDiscardableMemory::Factory* factory);
-
     friend bool SkInstallDiscardablePixelRef(SkImageGenerator*,
                                              SkBitmap*,
                                              SkDiscardableMemory::Factory*);
-
     typedef SkPixelRef INHERITED;
 };
-
 #endif  // SkDiscardablePixelRef_DEFINED