Add dev bounds to bmp txt context, use bounds to ignore clips

R=robertphillips@google.com, jvanverth@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/144283004

git-svn-id: http://skia.googlecode.com/svn/trunk@13413 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrBitmapTextContext.h b/src/gpu/GrBitmapTextContext.h
index 5817359..4122939 100755
--- a/src/gpu/GrBitmapTextContext.h
+++ b/src/gpu/GrBitmapTextContext.h
@@ -48,6 +48,7 @@
     int32_t                 fMaxVertices;
     GrTexture*              fCurrTexture;
     int                     fCurrVertex;
+    SkRect                  fVertexBounds;
 };
 
 #endif