Revert of Add GrResourceCache2.

src/gpu/GrGpu.cpp

Index: src/gpu/GrGpu.cpp
diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index bdf67727c3f41f70eb515492e01fbb5e7ac23bbb..0b49e7445ab897b8709406ec988bf1d6d5067043 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -49,9 +49,62 @@
 #endif
 }
 
-GrGpu::~GrGpu() {}
-
-void GrGpu::contextAbandonded() {}
+GrGpu::~GrGpu() {
+    this->releaseResources();
+}
+
+void GrGpu::abandonResources() {
+
+    fClipMaskManager.releaseResources();
+
+    while (NULL != fObjectList.head()) {
+        fObjectList.head()->abandon();
+    }
+
+    SkASSERT(NULL == fQuadIndexBuffer || fQuadIndexBuffer->wasDestroyed());
+    SkSafeSetNull(fQuadIndexBuffer);
+    delete fVertexPool;
+    fVertexPool = NULL;
+    delete fIndexPool;
+    fIndexPool = NULL;
+}
+
+void GrGpu::releaseResources() {
+
+    fClipMaskManager.releaseResources();
+
+    while (NULL != fObjectList.head()) {
+        fObjectList.head()->release();
+    }
+
+    SkASSERT(NULL == fQuadIndexBuffer || fQuadIndexBuffer->wasDestroyed());
+    SkSafeSetNull(fQuadIndexBuffer);
+    delete fVertexPool;
+    fVertexPool = NULL;
+    delete fIndexPool;
+    fIndexPool = NULL;
+}
+
+void GrGpu::insertObject(GrGpuResource* object) {
+    SkASSERT(NULL != object);
+    SkASSERT(this == object->getGpu());
+
+    fObjectList.addToHead(object);
+}
+
+void GrGpu::removeObject(GrGpuResource* object) {
+    SkASSERT(NULL != object);
+    SkASSERT(this == object->getGpu());
+
+    fObjectList.remove(object);
+}
+
+
+void GrGpu::unimpl(const char msg[]) {
+#ifdef SK_DEBUG
+    GrPrintf("--- GrGpu unimplemented(\"%s\")\n", msg);
+#endif
+}
 
 ////////////////////////////////////////////////////////////////////////////////
 
@@ -266,8 +319,7 @@
 }
 
 const GrIndexBuffer* GrGpu::getQuadIndexBuffer() const {
-    if (NULL == fQuadIndexBuffer || fQuadIndexBuffer->wasDestroyed()) {
-        SkSafeUnref(fQuadIndexBuffer);
+    if (NULL == fQuadIndexBuffer) {
         static const int SIZE = sizeof(uint16_t) * 6 * MAX_QUADS;
         GrGpu* me = const_cast<GrGpu*>(this);
         fQuadIndexBuffer = me->createIndexBuffer(SIZE, false);