Revert r2584 (new test fails in fixed pt builds)



git-svn-id: http://skia.googlecode.com/svn/trunk@2585 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 3fc5d7d..7028c91 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -1637,16 +1637,15 @@
     if (NULL != target) {
         return fGpu->readPixels(target,
                                 left, top, width, height, 
-                                config, buffer, 0);
+                                config, buffer);
     } else {
         return false;
     }
 }
 
 bool GrContext::readRenderTargetPixels(GrRenderTarget* target,
-                                       int left, int top, int width, int height,
-                                       GrPixelConfig config, void* buffer,
-                                       size_t rowBytes) {
+                                      int left, int top, int width, int height,
+                                      GrPixelConfig config, void* buffer) {
     SK_TRACE_EVENT0("GrContext::readRenderTargetPixels");
     uint32_t flushFlags = 0;
     if (NULL == target) { 
@@ -1656,7 +1655,7 @@
     this->flush(flushFlags);
     return fGpu->readPixels(target,
                             left, top, width, height, 
-                            config, buffer, rowBytes);
+                            config, buffer);
 }
 
 void GrContext::writePixels(int left, int top, int width, int height,