Fix some win64 warnings.

src/gpu/GrDistanceFieldTextContext.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDistanceFieldTextContext.h"
 #include "GrAtlas.h"
 #include "GrBitmapTextContext.h"
@@ skipping 288 matching lines @@
 
             if (glyph.fWidth) {
                 SkScalar x = offset.x() + pos[0];
                 SkScalar y = offset.y() + (2 == scalarsPerPosition ? pos[1] : 0);
 
                 if (!this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(),
                                                      glyph.getSubXFixed(),
                                                      glyph.getSubYFixed()),
                                        x, y, fontScaler)) {
                     // couldn't append, send to fallback
-                    fallbackTxt.push_back_n(text-lastText, lastText);
+                    fallbackTxt.push_back_n(SkToU32(text-lastText), lastText);

[reed1, 2014/12/11 20:56:26]

SkToInt ?

[bsalomon, 2014/12/11 21:08:47]

Imminent CL will fix the casts that should have been to int not uint32 and fix
more warnings.

                     fallbackPos.push_back(pos[0]);
                     if (2 == scalarsPerPosition) {
                         fallbackPos.push_back(pos[1]);
                     }
                 }
             }
             pos += scalarsPerPosition;
         }
     } else {
         SkScalar alignMul = SkPaint::kCenter_Align == fSkPaint.getTextAlign() ? SK_ScalarHalf
                                                                               : SK_Scalar1;
         while (text < stop) {
             const char* lastText = text;
             // the last 2 parameters are ignored
             const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0);
 
             if (glyph.fWidth) {
                 SkScalar x = offset.x() + pos[0];
                 SkScalar y = offset.y() + (2 == scalarsPerPosition ? pos[1] : 0);
 
                 SkScalar advanceX = SkFixedToScalar(glyph.fAdvanceX)*alignMul*fTextRatio;
                 SkScalar advanceY = SkFixedToScalar(glyph.fAdvanceY)*alignMul*fTextRatio;
 
                 if (!this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(),
                                                      glyph.getSubXFixed(),
                                                      glyph.getSubYFixed()),
                                        x - advanceX, y - advanceY, fontScaler)) {
                     // couldn't append, send to fallback
-                    fallbackTxt.push_back_n(text-lastText, lastText);
+                    fallbackTxt.push_back_n(SkToU32(text-lastText), lastText);
                     fallbackPos.push_back(pos[0]);
                     if (2 == scalarsPerPosition) {
                         fallbackPos.push_back(pos[1]);
                     }
                 }
             }
             pos += scalarsPerPosition;
         }
     }
 
@@ skipping 324 matching lines @@
     }
 }
 
 inline void GrDistanceFieldTextContext::finish() {
     this->flush();
     fTotalVertexCount = 0;
 
     GrTextContext::finish();
 }