Reland Fixed compiler warning C4267 'conversion from 'size_t' to 'type', possible loss of data'
Additional warnings found with more testing and added C4267 warning disable only for angle_libpng

BUG=angleproject:1120

Change-Id: Ic403dcff5a8018056fa51a8c408e64207f3362eb
Reviewed-on: https://chromium-review.googlesource.com/293028
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/tests/gl_tests/IncompleteTextureTest.cpp b/src/tests/gl_tests/IncompleteTextureTest.cpp
index 24025cf..7ed6bce 100644
--- a/src/tests/gl_tests/IncompleteTextureTest.cpp
+++ b/src/tests/gl_tests/IncompleteTextureTest.cpp
@@ -134,8 +134,8 @@
     fillTextureData(redTextureData, 255, 0, 0, 255);
     for (size_t i = 0; i < 7; i++)
     {
-        glTexImage2D(GL_TEXTURE_2D, i, GL_RGBA, redTextureWidth >> i, redTextureHeight >> i, 0, GL_RGBA, GL_UNSIGNED_BYTE,
-                     &redTextureData[0]);
+        glTexImage2D(GL_TEXTURE_2D, static_cast<GLint>(i), GL_RGBA, redTextureWidth >> i,
+                     redTextureHeight >> i, 0, GL_RGBA, GL_UNSIGNED_BYTE, &redTextureData[0]);
     }
 
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
@@ -151,9 +151,9 @@
 
     for (size_t i = 0; i < 6; i++)
     {
-        glTexSubImage2D(GL_TEXTURE_2D, i, greenTextureWidth >> i, greenTextureHeight >> i,
-                        greenTextureWidth >> i, greenTextureHeight >> i, GL_RGBA, GL_UNSIGNED_BYTE,
-                        &greenTextureData[0]);
+        glTexSubImage2D(GL_TEXTURE_2D, static_cast<GLint>(i), greenTextureWidth >> i,
+                        greenTextureHeight >> i, greenTextureWidth >> i, greenTextureHeight >> i,
+                        GL_RGBA, GL_UNSIGNED_BYTE, &greenTextureData[0]);
     }
 
     drawQuad(mProgram, "position", 0.5f);