Enabled FRAGMENT_PRECISION_HIGH unconditionally for ANGLE.

src/common/version.h

 #define MAJOR_VERSION 1
 #define MINOR_VERSION 0
 #define BUILD_VERSION 0
-#define BUILD_REVISION 1835
+#define BUILD_REVISION 1985
 
 #define STRINGIFY(x) #x
 #define MACRO_STRINGIFY(x) STRINGIFY(x)

src/libGLESv2/Shader.cpp

@@ -237,6 +237,7 @@ void Shader::initializeCompiler()
             resources.MaxDrawBuffers = MAX_DRAW_BUFFERS;
             resources.OES_standard_derivatives = context->supportsDerivativeInstructions() ? 1 : 0;
             // resources.OES_EGL_image_external = getDisplay()->isD3d9ExDevice() ? 1 : 0; // TODO: commented out until the extension is actually supported.
+            resources.FragmentPrecisionHigh = 1;   // Shader Model 2+ always supports FP24 (s16e7) which corresponds to highp
 
             mFragmentCompiler = ShConstructCompiler(SH_FRAGMENT_SHADER, SH_GLES2_SPEC, SH_HLSL_OUTPUT, &resources);
             mVertexCompiler = ShConstructCompiler(SH_VERTEX_SHADER, SH_GLES2_SPEC, SH_HLSL_OUTPUT, &resources);