Replace factory generation of TextContexts with persistent objects.

src/gpu/SkGpuDevice.cpp

Index: src/gpu/SkGpuDevice.cpp
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index c858403669fa13496bc85777bb41168171ad67e4..dfae1c4a49bb502cb367e66f2fc23c2fc2fe7fd6 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -201,9 +201,11 @@ void SkGpuDevice::initFromRenderTarget(GrContext* context,
     fContext->ref();
 
 #if SK_DISTANCEFIELD_FONTS
-    fTextContextManager = SkNEW(GrTTextContextManager<GrDistanceFieldTextContext>);
+    fMainTextContext = SkNEW_ARGS(GrDistanceFieldTextContext, (fContext, fLeakyProperties));
+    fFallbackTextContext = SkNEW_ARGS(GrBitmapTextContext, (fContext, fLeakyProperties));
 #else
-    fTextContextManager = SkNEW(GrTTextContextManager<GrBitmapTextContext>);
+    fMainTextContext = SkNEW_ARGS(GrBitmapTextContext, (fContext, fLeakyProperties));
+    fFallbackTextContext = NULL;
 #endif
 
     fRenderTarget = NULL;
@@ -242,9 +244,11 @@ SkGpuDevice::SkGpuDevice(GrContext* context,
     fContext->ref();
 
 #if SK_DISTANCEFIELD_FONTS
-    fTextContextManager = SkNEW(GrTTextContextManager<GrDistanceFieldTextContext>);
+    fMainTextContext = SkNEW_ARGS(GrDistanceFieldTextContext, (fContext, fLeakyProperties));
+    fFallbackTextContext = SkNEW_ARGS(GrBitmapTextContext, (fContext, fLeakyProperties));
 #else
-    fTextContextManager = SkNEW(GrTTextContextManager<GrBitmapTextContext>);
+    fMainTextContext = SkNEW_ARGS(GrBitmapTextContext, (fContext, fLeakyProperties));
+    fFallbackTextContext = NULL;
 #endif
 
     fRenderTarget = NULL;
@@ -292,7 +296,8 @@ SkGpuDevice::~SkGpuDevice() {
         delete fDrawProcs;
     }
 
-    delete fTextContextManager;
+    delete fMainTextContext;
+    delete fFallbackTextContext;
 
     // The GrContext takes a ref on the target. We don't want to cause the render
     // target to be unnecessarily kept alive.
@@ -1778,7 +1783,7 @@ void SkGpuDevice::drawText(const SkDraw& draw, const void* text,
                           const SkPaint& paint) {
     CHECK_SHOULD_DRAW(draw, false);
 
-    if (fTextContextManager->canDraw(paint, fContext->getMatrix())) {
+    if (fMainTextContext->canDraw(paint)) {
         GrPaint grPaint;
         if (!skPaint2GrPaintShader(this, paint, true, &grPaint)) {
             return;
@@ -1786,11 +1791,8 @@ void SkGpuDevice::drawText(const SkDraw& draw, const void* text,
 
         SkDEBUGCODE(this->validate();)
 
-        SkAutoTDelete<GrTextContext> ctx(fTextContextManager->create(this->context(),
-                                                                     grPaint, paint,
-                                                                     this->getDeviceProperties()));
-        ctx->drawText((const char *)text, byteLength, x, y);
-    } else if (GrBitmapTextContext::CanDraw(paint, fContext->getMatrix())) {
+        fMainTextContext->drawText(grPaint, paint, (const char *)text, byteLength, x, y);
+    } else if (fFallbackTextContext && fFallbackTextContext->canDraw(paint)) {
         GrPaint grPaint;
         if (!skPaint2GrPaintShader(this, paint, true, &grPaint)) {
             return;
@@ -1798,9 +1800,7 @@ void SkGpuDevice::drawText(const SkDraw& draw, const void* text,
 
         SkDEBUGCODE(this->validate();)
 
-        GrBitmapTextContext textContext(this->context(), grPaint, paint,
-                                        this->getDeviceProperties());
-        textContext.drawText((const char *)text, byteLength, x, y);
+        fFallbackTextContext->drawText(grPaint, paint, (const char *)text, byteLength, x, y);
     } else {
         // this guy will just call our drawPath()
         draw.drawText_asPaths((const char*)text, byteLength, x, y, paint);
@@ -1813,7 +1813,7 @@ void SkGpuDevice::drawPosText(const SkDraw& draw, const void* text,
                              const SkPaint& paint) {
     CHECK_SHOULD_DRAW(draw, false);
 
-    if (fTextContextManager->canDraw(paint, fContext->getMatrix())) {
+    if (fMainTextContext->canDraw(paint)) {
         GrPaint grPaint;
         if (!skPaint2GrPaintShader(this, paint, true, &grPaint)) {
             return;
@@ -1821,11 +1821,9 @@ void SkGpuDevice::drawPosText(const SkDraw& draw, const void* text,
 
         SkDEBUGCODE(this->validate();)
 
-        SkAutoTDelete<GrTextContext> ctx(fTextContextManager->create(this->context(),
-                                                                     grPaint, paint,
-                                                                     this->getDeviceProperties()));
-        ctx->drawPosText((const char *)text, byteLength, pos, constY, scalarsPerPos);
-    } else if (GrBitmapTextContext::CanDraw(paint, fContext->getMatrix())) {
+        fMainTextContext->drawPosText(grPaint, paint, (const char *)text, byteLength, pos, 
+                                      constY, scalarsPerPos);
+    } else if (fFallbackTextContext && fFallbackTextContext->canDraw(paint)) {
         GrPaint grPaint;
         if (!skPaint2GrPaintShader(this, paint, true, &grPaint)) {
             return;
@@ -1833,9 +1831,8 @@ void SkGpuDevice::drawPosText(const SkDraw& draw, const void* text,
         
         SkDEBUGCODE(this->validate();)
         
-        GrBitmapTextContext textContext(this->context(), grPaint, paint,
-                                        this->getDeviceProperties());
-        textContext.drawPosText((const char *)text, byteLength, pos, constY, scalarsPerPos);
+        fFallbackTextContext->drawPosText(grPaint, paint, (const char *)text, byteLength, pos, 
+                                          constY, scalarsPerPos);
     } else {
         draw.drawPosText_asPaths((const char*)text, byteLength, pos, constY,
                                  scalarsPerPos, paint);