DM::SKPSrc::size() reports correct size.

gm/gm.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef skiagm_DEFINED
 #define skiagm_DEFINED
 
@@ skipping 35 matching lines @@
             kBench_Mode,
         };
 
         void setMode(Mode mode) { fMode = mode; }
         Mode getMode() const { return fMode; }
 
         void draw(SkCanvas*);
         void drawBackground(SkCanvas*);
         void drawContent(SkCanvas*);
 
-        SkISize getISize() { return this->onISize(); }
+        SkISize getISize() {
+            SkISize size = this->onISize();
+            // Sanity cap on GM dimensions.
+            SkASSERT(size.width() * size.height() <= 2359296 &&  // 2.25 megapixels
+                     size.width()                 <= 2048    &&  // Typical GPU max dimension.
+                     size.height()                <= 2048);
+            return size;
+        }
         const char* getName();
 
         virtual bool runAsBench() const { return false; }
 
         SkScalar width() {
             return SkIntToScalar(this->getISize().width());
         }
         SkScalar height() {
             return SkIntToScalar(this->getISize().height());
         }
@@ skipping 56 matching lines @@
         SkISize onISize() SK_OVERRIDE;
         SkString onShortName() SK_OVERRIDE;
     private:
         SkString fName;
         void (*fDrawProc)(SkCanvas*);
         SkISize fSize;
     };
 }
 
 #endif