Plumb in flag for reusing scratch textures

src/gpu/GrContext.cpp

Index: src/gpu/GrContext.cpp
===================================================================
--- src/gpu/GrContext.cpp	(revision 10125)
+++ src/gpu/GrContext.cpp	(working copy)
@@ -66,9 +66,11 @@
 // Glorified typedef to avoid including GrDrawState.h in GrContext.h
 class GrContext::AutoRestoreEffects : public GrDrawState::AutoRestoreEffects {};
 
-GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext) {
+GrContext* GrContext::Create(GrBackend backend, 
+                             GrBackendContext backendContext,
+                             bool* reuseScratchTextures) {
     GrContext* context = SkNEW(GrContext);
-    if (context->init(backend, backendContext)) {
+    if (context->init(backend, backendContext, reuseScratchTextures)) {
         return context;
     } else {
         context->unref();
@@ -104,7 +106,9 @@
     fViewMatrix.reset();
 }
 
-bool GrContext::init(GrBackend backend, GrBackendContext backendContext) {
+bool GrContext::init(GrBackend backend, 
+                     GrBackendContext backendContext,
+                     bool* reuseScratchTextures) {
     GrAssert(NULL == fGpu);
 
     fGpu = GrGpu::Create(backend, backendContext, this);
@@ -115,6 +119,11 @@
     fDrawState = SkNEW(GrDrawState);
     fGpu->setDrawState(fDrawState);
 
+    if (NULL == reuseScratchTextures) {
+        this->setReuseScratchTextures(fGpu->caps()->reuseScratchTextures());
+    } else {
+        this->setReuseScratchTextures(*reuseScratchTextures);
+    }
 
     fTextureCache = SkNEW_ARGS(GrResourceCache,
                                (MAX_TEXTURE_CACHE_COUNT,