Change undefined SkGpuRenderTarget and SkGpuTexture forward declares to GrRenderTarget and GrTextur…

src/utils/SkDeferredCanvas.cpp

Index: src/utils/SkDeferredCanvas.cpp
diff --git a/src/utils/SkDeferredCanvas.cpp b/src/utils/SkDeferredCanvas.cpp
index 89997a1f3f09ad48cf8c243c81d5849579717c09..da3c72e22ce6dbf2197ce8218fe540a01d1d9caa 100644
--- a/src/utils/SkDeferredCanvas.cpp
+++ b/src/utils/SkDeferredCanvas.cpp
@@ -163,7 +163,7 @@ public:
     virtual uint32_t getDeviceCapabilities() SK_OVERRIDE;
     virtual int width() const SK_OVERRIDE;
     virtual int height() const SK_OVERRIDE;
-    virtual SkGpuRenderTarget* accessRenderTarget() SK_OVERRIDE;
+    virtual GrRenderTarget* accessRenderTarget() SK_OVERRIDE;
 
     virtual SkDevice* onCreateCompatibleDevice(SkBitmap::Config config,
                                                int width, int height,
@@ -435,7 +435,7 @@ int DeferredDevice::height() const {
     return immediateDevice()->height();
 }
 
-SkGpuRenderTarget* DeferredDevice::accessRenderTarget() {
+GrRenderTarget* DeferredDevice::accessRenderTarget() {
     this->flushPendingCommands(kNormal_PlaybackMode);
     return immediateDevice()->accessRenderTarget();
 }